That's sad news, man. I liked his bassline in Would (simple but haunting) and some of his stuff on the second half of Facelift starting from Love Hate Love especially. I realize I'm a day late but I'll have to rock out in my apartment tonight, as a personal tribute.
I think the bassist that replaced Starr for Jar of Flies and the self titled (tripod) album was Mike Inez, and he's good too. I just looked it up, Inez is currently with AIC still.