I like my AC delco pump, Its got good pressure for the weber and its been go'n for about 3 years.
25115899 High Output Electric Fuel Pump
This heavy-duty 12-volt electric rotary fuel pump flows 72 gallons per hour at 6-8 psi outlet pressure. It will meet the fuel requirements for high-performance cars, RVs, and street rods.
http://www.gmgoodwrench.com/perfpartsjsp/partlist.jsp?cat=9454§ion=pp#6472657