I've seen Rock Howard in action on CVS2, and I can say that Capcom HAS messed up Rock Howard, sadly. Like all the other SNK characters, he is worlds different from his original MotW incarnation. The same thing goes for Hibiki, and ESPECIALLY Chang/Choi.
CvS has been, is, and always will be a Capcom fighter, through and through. The SNK characters in the CvS series, by Capcom, are adapted to a flaky Capcom fighting system. Capcom was not always this inprecise in making a fighter, but once they hit Street Fighter Zero/Alpha 3, it all started going downhill, in my opinion.
Don't go to CvS2, pick Rock, and expect to play like one plays in MotW. Don't pick Hibiki and expect to play like one plays in Dai ni Maku Gekka no Kenshi (Last Blade 2). You couldn't do that with Geese, Rugal, or anyone else in CvS1 either.
Capcom's spending their quality time bastardizing SNK characters for CvS2, and then when the game isn't heralded as the greatest thing since sliced Zero/Alpha 2, they blame the SNK franchise, and not their current lack of skill in making a decent fighting game. I am a fan of Capcom and SNK, but Capcom has recently forsaken everything they built up in the CPS2 days for bad 3D and even worse "2D".
I wish Rock was the same as MotW. But under Capcom's direction, that can never happen. Here's hoping the rumors about a SNK "CvS" are true.
- The Black Knight