For $1000 you have a lot of options. You should go to all of your lbs and test ride as many as possible. Drive a little distance if needed. Get the bike that fits the best. See if they'll let you take it out longer than a spin around the parking lot. Brand wise, when you spend $1000, it doesn't matter if you go to Giant, KHS, Specialized, Trek, or whoever, you'll get about the same bike for the money. Fit should be your number one priority!