I'm a longtime MediaMonkey user, with a Gold Lifetime licence since version 2, adding his "vote" for support of RIM's BlackBerry PlayBook.
Happy to do beta- (or even alpha-) testing if it helps - 25+ years IT experience but too rusty as a programmer to make a stab at it myself.
Signatures are for wasting space on forum pages and for distracting others from your stupid posts
My H/W: BlackBerry PlayBook, Blackberry Curve 9360, Blackberry Curve 8520 (retired), Sansa Fuze 4GB (retired), LG Cookie KP-500 (retired), Creative Zen V 2GB (fried), Motorola V3 RAZR (retired) Creative MuVo TX 1GB (retired), Creative MuVo 128MB (loaned to father-in-law)
Wife's H/W: Blackberry Curve 9360, Creative Zen Mosaic 4GB, Blackberry Curve 8520 (retired), LG Cookie KP-500 (retired), Creative Zen Stone Plus 2GB (retired)
S/W: MediaMonkey 4.03 Gold Lifetime on Windows 7 Ultimate 32-bit