Originally Posted by
denaffen
Now I have to decide if I keep the original Schwinn-branded Weinmann 27-inchers or throw on some 700Cs I have laying around with some fat tires. These are 38s with plenty of room.

Personally, I would use the Schwinn wheelset until it wears out, then replace it with the 700c wheelset. I'm of the "if it ain't broke, don't fix it" mentality, but if you prefer the cushy ride of 700cx38s by all means go ahead.