You already have the Yamaha and I know they are top quality.
Another option if anyone wants a powered speaker/mixer is Carvin. I've been using their stuff for years and its always worth the price an more. Never had a problem with any of it.

http://www.carvinguitars.com/products/PM15A-2
_________________________
Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer