Hello,
No, cannot EDIT or CREATE any styles, but there are a lot of styles from other keyboards that you can load into the "flash" area and also save to a "program" area. I'd bet that you could find some that you are looking for. I have an EXR7s and really like it.
zuki
_________________________
Live: Korg PA4X/Zed 6FX/EV Everse 8s/Senn 935/K&M stand
Studio: Korg PA4X/Yamaha DGX670/Yamaha PSR SX900/Boss BR900CD/Tascam DP24SD/MTM Iloud/Senn 935/K&M stand/Shure SM57/Sony C80 (2)/Blue Encore 300