Due to the fact that QuickDraw is deprecated and that Quartz has many cool features and eye candy, I nominate that the PlayerPRO project move away from QuickDraw. This can be done one of two ways: either move over to Carbon NIBs, or use Cocoa. The problem with Cocoa is that it would require a complete re-write of the interface code. Whereas Carbon NIBs aren't available under 64-bit.
Work is ongoing on porting PlayerPRO 6 to Cocoa.