there is manzaman, he has some nice big affordable pieces. If you want the real gnarly looking stuff check out :
http://www.barrreport.com/showthread.php/9332-FS-Gnarled-manzanita-driftwood-Batch-7-over-100-pics
#55, 60, 61, 62, 64 look pretty wicked
I get my wood from tom barr but its pricier but unique stuff,plus he is a good guy, he ships before you pay so there is a lot of trust
For me it was paid but no wood...eventually he stopped returning PMs...$90 lost but learned a lesson for doing business on MfK.