The REI tents are a great bang for your buck, I was looking at the 2-man half dome when it was on sale. The last issue of backpacker's had an extensive gear guide, with lots of great-looking tent recommendations.
An alternative route, if you'll be amongst the trees, is to go with a nice hammock. Hennessey Hammocks
and Jungle Hammocks
are super comfortable and versatile, can be used open, zipped up with mosquito netting, or with a rain fly. You can put your pack underneath (or tie it into the hammock, as they can take a lot of weight) to keep it out of the elements. The Jungle Hammock also has massive pockets on the side for extra storage. An added bonus is you wouldn't need a sleeping pad. They aren't cheap, but I've never met anyone who regretted their purchase.
One of the Hennessey Hammocks
One of the Clark Jungle Hammocks