I don't want to pile on making you feel like you have to buy a floor model jointer. You have determined that you don't have the space for it -- good enough. Just be sure that the limitations of the benchtop models are acceptable to you. Realistically, the benchtop models that I am aware of are all limited to jointing short stock - probably about 2-3 feet long or so. But if that's all you plan to do in the short term, you should be just fine. If you plan to build a bigger project, though, don't expect the little benchtop jointer to be satisfactory for that job.
I don't have first-hand experience with benchtop jointers, other than to say I have looked at them in the stores early on and decided they weren't for me. If you expect the benchtop to be a stepping stone for you, and eventually expect to buy a bigger jointer, then spend as little as you have to on the benchtop. Lowe's has a Tradesman benchtop jointer on clearance right now for $98. I'd go for that one. If you intend to use this tool long-term, you need to try to get the best quality possible - maybe someone around here knows of a review article on these...?
Edit: - you replied before I finished my post above... if you will consider a floor-model jointer, then DON'T buy a benchtop!!!! :mrgreen: