I've got the GSI Pinnacle Backpacker. I like having both a 1.5/2 liter pot and a fry pan even when I'm by myself. I like to cook. It's got one of the best non-stick surfaces. (Although I question the claim of being able to use metal utensils -- been there, done that) When I'm by myself I just take out the extra cup and it leaves me enough room to pack my stove and utensils. If you're not going to actually cook -- just boil water -- I'd go elsewhere as you would have unnecessary bulk.
John