TopTenReview.com uses progressive HTTP streaming. It is very easy to download/capture/save such video. You can even copy such streams from the cache of your web-browser. You can use freeware Freecorder 4, freeware Fast Video Download, shareware Replay Media Catcher,....

See the following FAQ for more:
FAQ: How to record/download/capture/save Adobe Flash .FLV video HTTP stream from embedded player