Don't forget if you buy from the USA the shipping costs are around £45 and you would more than likely get slammed with import/customs duty.
Therefore any saving you appear to have made become irrelevant.
Make sure you get Prassi PrimoDVD software with the package.
You should also make sure that you upgrade the firmware to 1.68 and if you use the following site you can make it region free at the same time. Wicked!!!
http://digilander.iol.it/pioneerdvd/