That looks fantastic. The current situation with climbing guidebooks varies between out-of-date, having to buy a new guidebook for each area you climb in, and passing around photocopied informal guides. I know this isn't meant to be a full guidebook, but it looks like it could evolve into one.
Some things that I don't see right off, but would love to have:
- Photos of cliff faces, possibly with route overlays.
- GPS integration.
- User submitted photos, reviews, tips.
- User submitted routes.