Here is another Enterprise Chachka for the geek that you love. It's part of a set that includes Star Trek Scene It and 6 Star Trek Hot Wheels die-cast 7" models:
HMS Bounty/Klingon Bird of Prey (Star Trek IV)
USS Saratoga NCC-1867 (Star Trek IV)
Battle-damaged USS Enterprise NCC-1701-A [Star Trek VI]
Enterprise NX-01 (Enterprise)
USS Enterprise NCC-1701 (TOS)
Romulan mining ship Narada (Star Trek 2009)
I have it on good authority that it's going to be under my tree this year. The whole kit is being sold at Costco and Costco.com but you can find the various die cast models on e-bay, Toys R Us and other places on the internet.