Here are some places to check out, for bands, BMX and whatever.

FOX RACING equipment: gloves, clothes etc. all the good BMX crap you can think of

BMXonline.com: If you like the mag "Ride BMX" this is what they sponsor, theres also stuff for skaters here too

Frankford Bike store

Albes

Woodward

Profile Racing

Zoo York

Kink BMX

Huffy BMX

Nirve

TSG

UPG

KMC

OSIRIS shoes, clothing, etc