Well, I have sold the Taco to get a more family friendly vehicle. My loss is your gain... I am now selling some of the accessories I didn't sell with the truck.
This tonneau should fit 2005-2010 Tacos with the 6 foot bed. This was a great cover which easily folded into thirds when you need to place larger items in the bed. It was on my truck for ~18 months and is still in great shape with all the needed hardware to install in your truck.
Check out the website for more info... http://www.extang.com/store/product/TrifectaSignature.
The cover retails for $587. I'll sell it for $250 and deliver it for free within Southeastern PA.