I am a co-founder of http://ridewithgps.com http://ridewithgps.com and we have been intending on integrating OSM support into our route planner, as well as figu

I am a co-founder of http://ridewithgps.com http://ridewithgps.com and we have been intending on integrating OSM support into our route planner, as well as figure out a way to funnel mapped routes back through to you all. We were thinking a cool way to vette cycle routes would be a heat map of sorts. We have some more business related priorities (payed accounts and the like), but this is up there; I'd love to see those map tiles cover the entire US.