first of all Libby's Fairlane & the Fairlane from GG 2007 (?) are awesome, but they're highly custom. if you're sticking with mostly bolt-on stuff, you might get more out of:
http://www.cs.odu.edu/~mln/fairlane/
I have a TCP R&P. I ordered for a 67 BB mustang and gave the shop the info at:
http://www.totalcontrolproducts.com/index_fairlane.html
Although it was $$$, I've been very happy w/ it. I did not get the TCP coilover -- I sort of regret that (I got GW UCAs instead).
I need to take new pics -- I've got a much better stance now. Unless you mini-tub, 18X10 is *not* going to fit. Take a look at:
http://www.woodyg.com/fairlane/twdata/twdatahome.html
Guys running big combos on 66/67s have their cars jacked up to clear. There is surprisingly little room in the front or rear of 66/67 fairlanes for big wheels/tires (clearance increases somewhat when you go to 68/69, then 70/71). If you liked the lowered look, you'll need to go small or do some serious work.
Good luck.
Edit: Check out Brian's Fairlane, nicely in between PT & old school:
http://www.supermotors.net/registry/7061/28794
Also, search for Jason's info at:
http://www.woodyg.com/fairlane/twdata/twdata66.html
he got a 275 rear on 17x9.5, but worked hard to do it; he recommends doing 255 (which is what Brian & I both have).