Check out reviews at
http://www.patternreview.com . (If you join, which is free, you can read old reviews as well as the newest ones.) I just did a search there on Pfaff and found this recent review, which gives an approximate price of $1900:
http://sewing.patternreview.com/Sewi.../Review/1/4874
Edit: I see her purchase price was without the extended table.
Also check out eBay completed listings:
http://www.ebay.com/sch/i.html?_from...&LH_Complete=1
eBay is always going to be less than a local dealer (no lessons, etc.). The going price on eBay seems to be around $1850 including shipping.