Hmm...what's so significantly different about the design? Even 3M seems to think LCDs on overhead projectors are an alright idea. They stick to the 4000 Lumen minimum too (with LCD projectors).
http://www.3m.com/meetingnetwork/pro..._overhead.html
But you have to admit, Tom's guide was actually decently done this time. And the results were not half bad.