As an actual happy Jewish man :j I think I’ll chime in and say, last thing I saw published by Wallace was that essay in Rolling Stone following 9/11. No idea about anything else.
I’m in the middle of Infinite Jest right now. Since I have no leisure time for reading, I expect to be with that thing for a long time. But I’m enjoying it immensely.
I did a little searching and found this from a site called The Howling Fantods.
There is actually a davidfosterwallace.com, but it looks like it hasn’t been updated in some time.
If you’re desperate for something to tide you over, I did a DFW parody in ‘What if The Lord of the Rings were written by somebody else’ thread; page 28, I think.