At this point, having done builds w/ all but the HAF-X, I'd rank them in this order
HAF-932 or 1200
HAF 922 or Antec 902
The biggest thing I think for you will be the dust issue. The 1200 comes w/ dust filters but it takes 5-6 minutes to take them out and clean them.....the task w/ the DF-85 takes seconds. Other things I like about the DF over the HAF are that the DF allows you to use CPX form factor PSU's which is a big advantage. Generally CPX form factor PSU's cost a lot less than their equal quality ATX counterparts and the CPX are quieter. The DF-85 w/ CP-850 is a great bargain offering outstanding performance
Finally, the "tool less" latches in the 932 I find to be a bit annoying. I always have problems w/ the ones for the GFX cards getting them to line up properly.
Both the 932 and DF-85 builds I did this month had 850 watt PSU's 460 GTX SC GFX cards (DF build was SLI) and 120 GB SSD's