Welcome to the forum 
why does the guitarist want you to buy a spd30? what does he want you to play with it?
TD9+6v module, KD-8, custom Diamond Electronic 12" snare + 2x8" + 2x10" toms, PD-85, 4xPD8, 2xCY8, CY-5, CY-12r/c, Pearl P902 double pedals, Diamond Electronic COWBELL!
HPD-10 ATH-50M phones and 4 Vex Packs for the TD-9
Gibson Les Paul. + pod xtl, Norman acoustic, Fender J-Bass + gt10b
Clavia Nord Stage 2 Synth/Stage Piano Samson SR850 'phones
cubase, garritan personal orchestra, JABB, symphonic choirs, Sibelius, reason 6.5, IPAD 2 with lots of soft synths...
three shelter cats