No freezing for me, but I'm playing on a PS3 slim.
I finally played Espgaluda II Black Label and Mushihimesama Futari Ver 1.5 on 360. Mushihimesama Futari Ver 1.5 is VERY awesome, absolutely love it. Espgaluda II feels kind of the same each stage, but still cool. Hard to justify playing $75 for each, but glad I got them overall.