Originally Posted by
thehirsches
I'd prefer something with gears. It doesn't have to have seven or eight though. I remember three and five back in the day being enough for me.
Then maybe the Vybe D7 would be the right model for you:
Dahon Vibe C 7 A. Thor is a reputable dealer and a regular poster here on Bikeforums. Another option for ten bucks over your budget is the Tern Link C7:
Tern folding bike Link C7.
Also you can consider a Downtube Nova :
Downtube Nova - Lightweight Folding Bicycle. The price is great and the manufacturer is also a regular here on Bikeforums.
There's a whole thread on Downtube bikes where you can get more information also. Never have ridden one myself.