A big +1 for the Ibis. Another one (just as good, but different) is this:
http://buzzaudio.com/products/req2.2.htm
I use both - and I wouldn't want to have to choose between them.
You might want to mention some sort of budget...
under $100.
I think the DAV (Broadhurst Gardens) one looks like it's good value. I think you can have it made with different increments (0.5db, 1db, 2db steps etc). Seems pretty good value for a quality 2 channel unit.
You could get a 900 Series rack and an Aphex 9901 for not a lot of cash, if you can find them.
under $100.
It's a great EQ, that's parametric and rack mountedWhat is a GREAT rack parametric EQ?
can you get your dick sucked for that?