This previous post by Arellcat mentioned the Fairmilehead Inn.
Signs have now gone up (not sure how long they've been there) mentioning the new Craigdon Mountain sports facility.
Found this showing the architects' plan for the new building.
http://www.edinburgharchitecture.co.uk/craigdon_mountain_sports.htm
And also...
http://www.urbanrealm.com/news/3792/Craigdon_Mountain_Sports_Facility_approved.html
...which would suggest that work is already behind schedule.