I put off writing this until I had a chance to really play.
All the complaints I've seen are usually based on how unbalanced the competition feels sometimes ...
Well ... I actually don't mind that. My gripe, or gripes, are all small ... but I guess they add up.
1. You can't switch the character order before the fight begins. The DC, Arcade, and PS2 versions all allowed this ... I miss it
2. If I'm on a hot streak, I can't invite anyone. It seems you only have to hit the "X" button to accept your first fight. After that your next challenger controls when the fight begins. Since most folks are itching to play in crowded rooms ... I can never get back to the "main room screen" to invite someone ... so I have to quit then go back in ... annoying.
3. I still can't search for matches with mics ... the game freezes ... all I can say to that is wow
Other than that I've got no complaints. I've played enough to add PSN buddies who are around my skill level, so I usually make a room and invite 6-8 people. Without the "killers" (you know, the guys who pick Psylocke, Magneto and Sentinel over and over and over ...) we usually end up playing for hours on end. I don't know about the others but I enjoy it.
So after playing for a week and a half ... I say it was 15 bucks well spent.
P.S.
I think I'm the only person who likes to use Sabertooth :-)