In reply to Michael Gordon:
Good thread!
Tope 10 that I've visited for rock climbing only, in no particular order...
1. Pink / Grey Wall - Pabbay
2. Creag an Dubh Loch
3. Shelter Stone Crag
4. Number 1 Buttress - Stac Pollaidh
5. Carn Dearg buttress - Ben Nevis
6. Far East Wall - Ben Eighe
7. Rora Head - Hoy
8. Big Butress, South East Face - Sarclet
9. Creag Dubh
10. Red Hole - South Cove