The best LBS in my area, Ziggy's Cycle, is also the biggest. When my wife and I were out shopping for bikes, they were the only shop where the people genuinely seemed to want to sell us a bike. The others seemed to point out wht they had, hovered for a bit, then went off to talk to coworkers or more wealthy-looking patrons. The staff remembered us when we came in on subsequent days, which always helps. We eventually bought a Trek 7300FX and a Trek 7500FX from them.
The 7300 was ready to go that day, but my 7500 had to be ordered. I need a 22.5" frame. How could I be sure? Well, they built up a basic 22.5" giant they had, on the spot, to see if a frame that size would fit.
Now, for the best part, something that displays a good bit of honour IMO. They received my bike from Trek about a week ago, but when they assembled it they noticed that the front fork wasn't properly made. I guess one side was longer than the other! (tsk tsk on Trek's QC!) Anyway, the mechnaic said that he managed to set the wheel so that it wouldn't rub, and could therefore be ridden, but didn't feel comfortable selling it to me. They phoned Trek and ordered a replacement front fork, and are currently waiting for the replacement (As am I!!

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Anyway, I thought that is was cool that even though the bike could be ridden, they wouldn't sell it because they KNEW it was wrong. I can say with a bit of confidence that the local wal-mart wouldn't have done that.
Thanks, Ziggy's.