MacBook Pro on the Big Screen

My MBP 13 is a mid-2010 model, meaning audio can operate on mini-DisplayPort-to-HDMI adapters. In my search, I found two models.

Amazon.com:

http://www.amazon.com/DisplayPort-Female-Adapter-Macbook-Laptop/dp/B002HU629E/ref=sr_1_2?s=electronics&ie=UTF8&qid=1288575735&sr=1-2

Moshi via Apple Canada Education Store:

http://store.apple.com/ca_edu_108284/product/H1824ZM/A?fnode=MTY1NDA3Ng&mco=MTgwOTAzMjI