Wall Street Journal had a cask ale story March 3rd, suggested places were:

NY:
Ginger Man
D.B.A.
Spuyten Duyvil

SF:
Toronado
Rogue Ales Public House
Magnolia Pub&Brewery

San Diego:
Stone Brewing World Bistro & Gardens
O'Brien's
The Linkery

Chicago:
Clark Street Ale House
Goose Island Wrigleyville
Map Room

Atlanta:
Rock Bottom Restaurant Brewery
Summits Wayside Tavern

Also had a link to go to for a more complete listing (including other cities):
www.cask-ale.co.uk/us/index.html

As I mentioned in an earlier post, I can vouch quite highly for Toronado. I haven't been to the Stone Bistro yet, but everything Stone does is such high quality I'm sure you can't go wrong there. If the Atlanta "Rock Bottom" is the same as the Denver "Rock Bottom", I'd recommend against that.

Ok
NO WAY
don't know.

in order. Goose Island? Seriously? Yuck.

Dallas Area
 

Two Rows Restaurant and Brewery on Greenville - Dallas
Flying Saucer on Beltline - Addison

Toronado in SF is a great bar for beer lovers.

Just about every brewpub in the Pacific Northwest has cask ales on.

In Seattle, I'm partial to the Elysian Fields, but also "cask Thursdays" at the Stumbling Monk. (They tap one cask a week, on Thursday. It's usually gone by Friday. It's worth going there, though, just for the obscure Belgian and local craft taps and bottles.)

Portland is the craft-beer capital of the USA, so there's no shortage of brewpubs and better bars offering real (live) ales there. I regularly hit the Bridgeport when in town.

Redbones in Somerville, MA has cask-conditioned ale on tap at least some of the time. They keep their beer list (it changes frequently - the kegs are always fresh) updated online: http://www.redbones.com/brews.html

If you happen to be in the Boston area there is also an annual real ale exhibition in May where you can taste dozens of ales from around Europe and the US: http://www.nerax.org/

NERAX is a great festival that has a great working relationship with the Campaign for Real Ale (CAMRA) in the UK. As a result of those connections through CAMRA, NERAX's organizers get a lot of rarely-or-never-seen-in-America British real ales shipped over for their festival. Afterwards, rather than return the cooperage empty, the casks are cleaned, refilled with U.S.-made real ales, and shipped back across the Atlantic for the Great British Beer Festival in London: http://www.camra.org.uk/page.aspx?o=gbbf

Are you sure that Grace's has hand drawn ale? I've been there a bunch of times and can't remember them having hand drawn beer options.....

Love Standard Tap! Went there for a wonderful dinner (try the duck salad) a couple weekends ago!

Steelhead in Burlingame just south of SFO always has one "Cask Conditioned Ale." It's more restaurant than pub.
http://www.steelheadbrewery.com/howcaskinfo.htm

How is the food? Is this place worth a trip from the South Bay?

The food is pretty good, but it's no "destination restaurant." I've been 4 or 5 times, got a lunch special once, a salad once, but mostly I sit at the bar and get a sandwich and 2 beers, the salmon sandwich is good and the hamburgers are excellent. Awesome onion rings! I haven't explored their entrees as I'm more interested in pub grub when I go. They have a huge pool room in the back.

But is it worth a trip from the South Bay? You could call and ask which brews are Cask Conditioned that week to help you decide. The Bombay Bomber IPA is really good, and I also like their chocolatety stouts and porters.

If you go, don't miss the old school donut shop across the street. A good luggage shop is located a block or two west.

John Harvard's Brew Pub - Multiple Locations
 

In the Northeast. Great deals on happy hours too

http://www.johnharvards.com/

Copper Creek Brewing Company in Athens, Ga taps a cask-conditioned ale keg on the first Wednesday of each month at 6:00 p.m. It's usually gone by 8:00, before I can get there. :( If you are ever in Athens be sure to check out their $2 pints on Tuesday which usually includes at least one high-gravity beer

St. Louis
 

Schlafly Tap Room although it may be a seasonal offering.

It has been many years since I have been there, but the Bluegrass Brewing Co. in Louisville, KY used to have cask Thursdays (or was it Tuesday) with a new one every week. They made some of the best beers I have ever had. Need a reason to get to L'ville.

www.bbcbrew.com