[MENTION=391432]radwilko[/MENTION] - are you up for wheel building? I know that's not what you asked, but it can be fun. I learned from the book called The Wheel by Jobst Brandt. After about 8 wheels I took a 3 day class, which taught me some more specifics & fine tuned my skills. Anyway I ended up unlacing my 27" wheels, using the original hub & laced to 700c rims and they look appropriate to the bike.

If not, then you can check places like Niagara bikes for vintage-y wheel sets.