i'd like to see that bowl and how its filled/stays filled.
ugh they are MAKING new tanks. You would think they would just pop one with a some OEM size ring and sell a modded OEM canister to fit a plastic reservoir with venturi pump. ala like this~ish
http://www.gearhead-efi.com/gm-ecm-pcm-conversion/in-tank-fuel-pump-conversion.html
EDIT: Every good idea has someone somewhere already doing it:
http://www.vaporworx.com/