It can be had here for 899. Includes a five year extended warranty, free shipping, no tax, etc.
Robert and his company are very good to deal with, and Robert is a regular poster on TiVo Community Forums for any help you need.
I bought mine there a couple of months ago, quite pleased with both the service and the product.
FWIW, there are some rumors going around about how D* will handle the changeover of equipment for MPEG4, look around in the HD Hardware section I belive for more info. If what is posted comes around, HDTiVo owners will do OK.
I've seen things you wouldn't believe. Attack ships on fire off the shoulder of Orion. I watched C-beams glitter in the dark near the Tannhauser gate.