http://cgi.ebay.com/Apple-Macintosh-Centris-Quadra-610-CASE-Part-652-0037-/160504441460?pt=LH_DefaultDomain_0&hash=item255ecf6a74#ht_500wt_1156

I thought I'd post this here. I don't have a Centris or Quadra, but this seems like a good deal. Only $6.50 + $12.36 shipping for a brand new Centris case. Would spiffy up anyone's collection.

(Not my auction.)