we city folk (I am on a campus) have an advantage in the free thing. I pull bikes and bike parts out of the trash fairly regularly. I just got a super oversized front rack out. that might go in. My build may end up being a Urban shopper- you know the kind where people bring their bike into the store and use it as their cart/basket.
I actually did pay for the SR ($25) but that was because I wanted the seatpost and stem that was on it (Cinelli!) so I consider whats left after that as free.