Here's some data from glitz_boy over on SSC
Tower | Height to top of facade | Height to last floor | Floors | Use
1 | 350.8m | 340.8m | 79 | Office
2 | 305.2m | 291.6m | 65 | Residential
3 | 250.6m | 238.3m | 52 | Use
Also a new site pic from dubaiflo also on SSC