Cartala.com DIY steadicam, mic boom, dolly system
Varizoom steadicam mounts, stabilizers, etc.
Willy's Widgets dolly tracks, mounts, etc.
Film Biz Recycling - recycled set dressing & props
Sound & Music
FotoSearch - Royalty-free stock music, photos & footage
Free Music Archive
Guide to Sound Effects (DIY)
Hitchcock iPhone storyboarding app
Incompetech Royalty-free music + a lot more
iNudge Create your own (techno-ish) music
The Recordist Free & for-purchase sound FX
Studio 1 Productions Royalty-free music, video BGs, and equipment
Twisted Tracks Royalty-free music & SFX
Movietools.info Free background loops