I'm not all that impressed. The fret buttons stick out too far, making GH2 impossible to play. I bought one for myself and one for my brothers — the connections on both are super wonky. Is it the battery? Is it the IR receiver? It's all a big mystery. And flat out unacceptable.

Their website support isn't much help either. "Oh, what's their solution," you ask? Peel the padded tape off the inside cover of the battery housing. Pfffft. Shoddy. I'd like to see something I paid $80 for made right the first time. Coming soon to an eBay near you...