Elliptical Machine Sale
Star Trac Elliptical Trainers
Star Trac make very high quality trainers and mainly for commercial use, however they do offer several home models.
They can be quite exspensive, but you get a superbly made machine for your money. Star Trac trainers are definately for those serious about elliptical training.
They are also made in the US, so if any spare parts are needed you will have no problem in getting them quickly.