Before you decide on a tent, look at tarptent.com, sixmoondesigns.com, lightheartgear.com. They're lighter than the ones you're looking at, and probably stronger.

In the long run, it's worth spending a bit more for better quality gear. Or you can buy used, a good way to start out.

If you haven't already, check out the articles on the home page of this site, left hand column.
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May your trails be crooked, winding, lonesome, dangerous, leading to the most amazing view--E. Abbey