I have the Spyder 2 Suite and if I would do it again I would get the Eye One. Not that the Spyder is not working for me, but rather its incomplete for the complete workflow.From image on the screen to the print.
I recently got the Spyder2 Pro, and it comes with another software package called PrintFIX PLUS. I haven't used it because I don't print my own pictures at home, but what this does, is send standard patterns to your printer, and it looks like you use the Spyder colorimieter to "read" the printed paterns, and it creates a color profile for your printer, which, I would assume, one would use for "soft proofing" for your printer.



