Rank: Guru
Rating: 88%, 154 votes
The 866 was superceded by 874 and 888.
Here's the manual for 874 =>
http://www.krupsusa.com/NR/rdonlyres/C1F9A0BF-7C73-4009-B552-9B75D43B6DDC/2419/CAFEPRESSOF874_endefrnl.pdf
Here are the manuals for 888 models =>
http://www.krupsusa.com/NR/rdonlyres/FEFA75D6-E1B1-4AEF-86BE-86239F8F5C11/19888/88843CafeCentro.pdf
http://www.krupsusa.com/NR/rdonlyres/55222C7A-5B29-4DD2-9828-679A73F140F0/7908/F888_NAm.pdf
http://www.krupsusa.com/NR/rdonlyres/A025B3F7-4253-45C9-95CA-AF3036FD2914/2430/CAFEPRESSOTIMEF888_multi.pdf
You can call KRUPs to see if there are any major differences.