Regardless of this, it's a wonderful product. I choked on the price as well, but it had all the features I wanted in a notebook (laptop) desk, so I took the plunge.
I have been very pleased with mine, used with both a 15" PB and a 15" MBP.
While an IKEA cutting board might do the trick functionally, the iLap does a much better job getting the computer off your lap and at the right height and angle.