Originally Posted by Katsmeow
What we are going to do is rejoin the Y and I will use the elliptical there at least 3 days a week. The other days I'll do the bike at home. This will give me the chance to (1) see if the elliptical bothers me with extended use (2) see if I like the elliptical with extended use and (3) determine what elliptical features are important to me so that I can better choose an elliptical to buy.
After a few months of this, if the elliptical doesn't bother my knees I think I'll be in better position to choose an elliptical to buy.
EXCELLENT decision, IMO, for all the reasons you listed.