As far as the ORBAN EQ's go, I am very interested in this item, although a SPL TUBE Parametric looks too sweet to pass up. There have been a number of Orbans at Ebay, as well as SAE para-graphic EQs. It's all Old school, they sound warm and look cool, functionally they are in the major studios for a reason. That would be a cue to get your hands on one. Some can play with the old Furman para's and get a good sound w/insert patching. Then again Ashley, or Aphex w/tubessence look good too. Too bad it is not 4 band stereo for the Aphex. 4 bands is enough for any Parametric EQ I think.
In any case you want one that won't add noise to your signal path (DUH!!!!) Older units (Orban, Urei, Furman and the like) may have more problems, need repair etc....
Record on......