If you can pay a bit more, there is a Renzetti Traveller on Ebay:
Renzetti Fly Tying Vise | eBay
Hook and hackle is having a sale on their E-Z rotary vise. I've heard some nice comments about this vise as a descent inexpensive vise. Get the pedestal vise and the bobbin holder for less than your budget.
E-Z Rotary Vises-Hook & Hackle
Reviews of the E-Z vise:
Zephr EZ Rotary Fly Tying Vise Review
Opinions of EZ rotary vise?
Does anyone use the "Zephr EZ Rotary Vise"