I use the wonderbolt:
http://www.saltwaterdreams.com/shop/srshowcategory0.php?h1=store.saltwaterdreams\
.com&id=8023
http://www.surfdogz.com/beach/fins/wonderbolt.htm
I order a few at a time in case of loss.
For a bag I sue a windsurfer bag, surboard bags are to narrow and not
strong enough:
http://www.the-house.com/bagsw.html
Check the widths and lengths carefully to match your board, and call
them to confirm sizes.
Here are some places that often have good deals on paddles, paddle
jackets, PFD,s helmets, drytops, etc:
http://www.sierratradingpost.com/
http://www.rei.com/outlet/
http://nrsweb.com/