Well, my story had a happy ending.

My dad returned the Dyna, giving me $80 to fix up the FS. I went to my local thrift shop and found an MTB for $25. It was in good condition with great wheels, but both the tires were flat. I filled both the tires and rode it home. I might have just fixed up the thrift shop bike and rode that, but it didn't fit me. My feet felt cramped and it was just uncomfortable. By the time I got home, the tires were halfway flat. I headed to my LBS and got two new tubes for the new wheels. The tires from the thrift shop bike were in good shape (little wear); the entire bicycle looked like it had little use. I put the new tubes in the wheels, and put the new wheels on my FS. They were a perfect fit. The thrift shop bike also had GREAT brakes, in fact they looked brand new. Since the brakes were the same as the brakes on my FS, I swapped those too. I put some oil on the chain and cog, filled up the new tubes, and it was set. The second I got on my FS, it just felt natural like no other bike that I've tried feels. I went on an hour long ride and had no trouble from the fixed up FS at all. Thanks a lot for the help guys, I showed my dad your responses and that's what led to returning the Dyna. Thanks again, this is a great forum with loads of info and knowledgeable members and I'll be sure to come back here and ask for help next time I need it.

--weirdlookinguy