I'm jealous now. Havn't stayed there, but that's supposed to be a Very nice hotel. As far as walking distance, 80%+ of downtown Boise is walkable.
I posted this in another thread, but I'll post it here too. Unless you are dead set on staying at the same hotel as the team/band, give some serious consideration to Hotwire. I have used them several times in downtown Boise, and almost exclusively for the last several years. Hotel rooms on there are normally between 40 and 60% off. I have not been lead astray, and have always had very nice rooms. The ONLY downside to the site is that you don't know the exact hotel prior to booking.
As far as places to eat: I could go on for several pages.
Donnie Mac's is a place that was featured on Diners, Drive In's and Drives. They advertise their fare as "Down home trailer park cooking". The food is fantastic, and reasonable in price. The place looks like it was built in an old service garage, and is decorated accordingly. Very interesting. You can even eat in a car that is up on the service lift. They also have reportedily the best frozen custard in town (don't know for sure. When we went there to try it, they were out)
The Ram is a brewery/steak house that's pretty much kiddy corner from the stadium. They serve a sampler platter of all their beers. I do recommend the potter. My fiancee and I had a steak that was marinated in the potter that was fabulous! Not cheap, but not outrageous either. It is something of a chain, but is heavily locally influenced. Is decorated as a local sports bar, while the outside reminded me of an old time movie theater.
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The other place I would recommend is the Ha Penny Irish Pub. I don't know the exact number, but I believe they have about 30 beers on tap. My personal favorite is the Kilt Lifter (and no, not just because of the name, but it is appropriate

). They also have the best hamburger I have ever had in my live. Period. Hands down. It's located on Broad Street.
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These are just the places that my fiancee and I have visited, loved, and would/have gone back to. There are easily another dozen places in downtown Boise that we havn't tried that are on the list. You might want to check out
http://www.boise.org" onclick="window.open(this.href);return false;,
http://www.downtownboise.org" onclick="window.open(this.href);return false;, and
http://www.idahoeats.com" onclick="window.open(this.href);return false; (be careful with this one. the city filtering option doesn't really work).
While I LOVE to be able to meet some of you out here, I'll be in Ohio visiting family for the holidays until Jan. 1st. Trust me, I'm not happy. However if anyone is planning on coming out, and would like some advice on where to eat or things to do other than the game, from an inplant and friendly face, let me know. I have always said that BG is the best town in the world, but Boise is a very, Very, VERY close second.