One vote for RoughCountry, won't make your Jeep quite as tall as an RE or BDS lift, but they ride well, and flex like crazy. Never seen a Jeep Rough Country lift that could keep 33s out of the fenders, even with a body lift.
Even with my setup, I still run RoughCountry springs, just because of the flex, theres 8 other Jeeps throughout my
photo album you'll see with RoughCountry springs that flex like crazy.
With RE and BDS, they say 4" or 4.5", and normally you get 5-5.5" of lift, however they use a steeply arched spring to achieve this. RoughCountry says 4" of lift, and they mean 4" no more. This gives you a flater, better riding/flexing spring. For just over $400 I don't think the RoughCountry lift can be beat. Their front track bar bracket, is also 100 times better than any other companies I've seen.
These are pictures taken of my YJ, shortly after I got it, 4" Rough Country Lift, 2" lift shackles, 3" body lift, I couldn't keep 33s out of the fenders (My shocks limited me more than anything):
Not even TJ flares gave me enough clearance:
This is my buddy Greg's Jeep, 4" Rough Country Lift:
My buddy Kevin's Jeep 4" RoughCountry springs, SOA:
I still run RoughCountry Leafs even with my setup now, beat on them hard for quite a while now and they still work great.
As for their customer service, its awesome. Shortly after I got my lift, the passenger side rear spring sagged pretty bad, lowered the one side of the Jeep 1.5-2". I called RoughCountry up, and they mailed me out a new spring same day.
More recently I had to come to emergency stop in my rig, and wrapped a set of front springs, which could be expected on my rig, and any spring would have done the same thing. I called RoughCountry, and explained to them what happened, and I wasn't trying to get anything warrantied, as it wasn't their fault, I was told they stand behind their product no matter what and they'd help me out. The springs weren't free but durn close, I couldn't have bought a junk yard spring for that price (I basically paid their cost for them).
RoughCountry springs just flex well, ride well, their customer service is awesome, and they are still cheap. Thats why I really think they are worth looking at.