> 4) There's the bt848 based stuff. This seems like a cheap option that is > likely to work well, if you get the right hardware. For my purposes it > seemed a bit TV oriented, and none of the supported cards really were > frame grabbers in their first role. They are good frame grabbers. Bus mastering PCI DMA engines, multiple inputs including svideo. Don't make the assumption that cheap=crap In this case cheap == volume There are people studying bees with bt848 cards 8)