I've actually visited Downtown Joe's in Napa at least once per year for the past four cycling seasons (After the Cherry Pie event) and I must admit it is a destination worth pursuing.
The beer is more than adequate and the food has always been good.
This year we sampled the Ace High Pale Ale, the Tantric India Pale Ale, Golden Thistle Very Bitter Ale and the Double Secret Probation double IPA
The IPA is definitely the best beer I have tasted at DTJ's. The Pale is also well done but the Thistle, which is listed at 100+ IBU's just confuses me.
I have to admit we visited Joes just 26 hours or so after the Bistro's Double IPA fest (see the pacificbrewnewsblogspot) but still I just couldn't fathom even 50 IBU's in this beer despite the claim. Perhaps it's just me.
We also eventually sampled the Double Secret Probation IPA that claimed to have "An overwhelming balance of hops and malt" but in reality we felt an overwhelming urge to abandon our pints of that...concentrate on our very tasty burgers and Reuben and walk on down the road to Billco's. But then..that's another blog entry all together.
So in a nutshell I'd advise going to DTJ's for some food and decent beer and then walking three blocks to Bilco's billiards for some truly outstanding beer selections.