PLEASE READ THIS NEXT PARAGRAPH! I'm taking out the "Multiple Rivals/Challenges?" portion because I think it's retarded...So from now on, negate that from your post. 
I will be refining the list in a little bit - I have some subdivision reviews to finish up at work here, but after that, I want to revamp this list. Please read my post on page 2(?) with some questions and other concerns!
I read in the IIDX Amateurs thread that we should start a rivals thread, so here we go...
I figure you can post your name (VJ Army name I suppose?) and your approximate skill level, along with what IIDX you're currently playing (or willing to play). Include what you're looking for, too. That might help when it comes to searching around. Also note if you're up for having multiple rivals or not, or multiple challenges for that matter. This way, I can make it apparent that you have a current rival or challenge, but are still open to new ones!
I'll keep a list in this post so you can check to see who's looking and who's taken. Please PLEASE feel free to suggest anything and everything you can to continue to improve this thread to make it more user friendly.
But for now...A list to copy paste!
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DJ Name: Level: Playing: Looking For:
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That's the basic format I'm going for. Feel free to suggest otherwise.
(edit) I'm going to take the format above as you post it and update this post with a master list. I'll also be putting the names under the mixes you're playing, that way you can just search the post for people playing your mix and determine if he/she matches your criteria. I'm sure there's a better way to organize this, but I'm still thinking of that...haha.
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DJ Name: SAINT
Level: 5-6 L7 Hard
Playing: RED, Happy Sky
Looking For: Someone of near equal caliber who solely does Hard Clears.
Multiple Rivals/Challenges? Sure! I'll take what I can get!
DJ Name: Arkie
Level: 12 Anothers, Difficulty 4
Playing: Anything CS, IIDX Gold on AC
Looking For: Someone to give me a reason to get into the game again
Multiple Rivals/Challenges? Not really, just game playing.
DJ Name: djSMALLS
Level: 5-6 Normal and Hyper (A's mostly)
Playing: Happy Sky
Looking For: Rival data around my skill lvl
Multiple Rivals/Challenges? the more the merrier
DJ Name: SantoS
Level: 8-10 7k, 8 Another
Playing: 3rd - Happy Sky CS (all CS basically)
Looking For: Fun
Multiple Rivals/Challenges? i guess so
DJ Name: djPARADX
Level: All 8s, most 9s, some 10s
Playing: 9th - HappySky
Looking For: a like skilled rival.
Multiple Rivals/Challenges? Sure, throw em at me.
DJ Name: uLTraCarL / CARL
Level: 9-10, trying to break into 11 smoothly
Playing: everything + GOLD
Looking For: anything
Multiple Rivals/Challenges? SURE!
DJ Name: dj KANNA
Level: 4-5 L7
Playing: RED CS + BMUS
Looking For: Rival data around my skill level who's nice.
Multiple Rivals/Challenges? Not really interested, maybe in the future.
DJ Name: dj Y!
Level: almost all 7's, most 8's, a few 9's on hyper; 5 dan (I may be able to pass 6 dan now but I haven't tried it yet), AAA/AA hard clear almost everything on normal
Playing: IIDX RED, HAPPY SKY
Looking For: a friendly rivalry to give me incentive to improve
Multiple Rivals/Challenges? Sure.
DJ Name: Moda
Level: 12
Playing: 9-HS preferably
Looking For: Rival for clearing 12s and AAAing harder songs.
Multiple Rivals/Challenges? Sure
DJ Name: kknd
Level: 9-10 (a couple of 11's)
Playing: anything CS
Looking For: people around my skill range
Multiple Rivals/Challenges? sure
DJ Name: NTV
Level: 11s Another (some 12s)
Playing: 10th style to HAPPY SKY
Looking For: people around my skill range
Multiple Rivals/Challenges?: yes
DJ Name: Vader Seven
Level: 11-12 on Hyper/Another. Hard clearing most 10s some 11s.
Playing: 9th style to HAPPY SKY
Looking For: Challenges and Rivals!!!
Multiple Rivals/Challenges?: yes
DJ Name: TOKYO-
Level: 10th Dan (meaning I can pass most of the songs, besides some of the 12 star another songs. Screw you Blue Mirage and Mei)
Playing: Happy Sky CS (both my 7th Style and 8th Style games are f* up)
Looking For: People around my skill level
Multiple Rivals/Challenges: Sure thing, though I only have a regular Sony Memory Card for my PS2.
Comments?: You can check my VJ Army account for scores and comparisions if you're willing to challenge me by clicking on my VJ sig. :P
DJ Name: ver2
Level: Level 12 + Anothers
Playing: IIDX Happy Sky CS / GOLD AC
Looking For: anything
Multiple Rivals/Challenges? sure, more the merrier
DJ Name: LOYD
Level: Up to 10* [a]'s Some above.
Playing: IIDX 6th - 12th CS and All PS1 Beatmanias
Looking For: Anyone?
Multiple Rivals/Challenges? Anything
DJ Name: YOSHI
Level: 12+ (hyper), 11+ another
Playing: 11th -> 14th (AC), 6rd -> 12th (CS)
Looking For: anybody - skill matters not
Multiple Rivals/Challenges?: sure
DJ Name: OPIE
Level: 10*
Playing: all CS and 8th AC
Looking For: perfect attack
Multiple Rivals/Challenges? Ok
DJ Name: Brazoliange
Level: 11-12 on Hyper/Another. Hard clearing most 10s+11s
Playing: 3rd-Happy Sky CS/DistorteD AC
Looking For: Challenges and Rivals!!!
Multiple Rivals/Challenges?: yes
DJ Name: Reiji
Level: 9th dan feeling like a 7th, hard clear most 10's, can clear all 10's, recently working at 11's.
Playing: IIDX RED and HS [CS] 6th style [AC]
Looking For: Anything to help improve.
Multiple Rivals/Challenges? Sure, why not... even if it makes me cry.
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Bemanistyle Rivals 
Don't worry about the Hard Clear criteria...I don't do anything but, but I need a rival right now.
