I have a "like new" StudioTech U-22T that we are selling. It comes with:
-Heavy Duty Rolling Caster (URC-6)
-StudioTech Ultra Series Fan Kit (RM-QTFP-2)
-Studio Tech Rack Rails (RM-7)
-StudioTech Media Storage (RM-D4)
Here is a link to their website
Here is a review...