Only about a gazillion choices. REI's Quarter Dome UL ($229; www.rei.com) is light at just under four poundspretty amazing for a true double-wall tenthas enough room for two, is palatial for one, and has double doors and a top vent for plenty of air flow.
For a somewhat roomier and beefier tent, Mountain Hardwear's Hammerhead 2 ($245; www.mountainhardwear.com) has more floor space and a big mesh ceiling for stargazing. And Marmot's Hypno ($349; www.marmot.com) has interesting pre-bent poles that help create walls that are more vertical, for a greater feeling of spaciousness. Plus, Marmot's quality always is top-notch.
For a true solo tent, Hilleberg's Akto ($345; www.hilleberg.com) is a super-sturdy all-weather tent that can withstand any coastal storm you might encounter. Very light, tootwo pounds, 14 ounces. For something a little more relaxed and airy, the Big Agnes one-person Seedhouse Superlight is the ticket ($229; www.bigagnes.com). It's tall, sturdy, and well vented. What more could you want?