While on the topic of foot pedals, since the question was "what foot pedals do you use", I also just got one of these (Below) which I'll use for my Tyros 5 when I get it. No MIDI, no cables ... it'll give my left foot something to do! :-)

I got one 'jingle stick' with tambourine jingles, and another with Sleighbells (for Christmas-time):

Foot Pedals:

(I hope that I did the 'link' correctly!)
Jim