There are a number of good kits out there in the 2.5" range. I can only speak for TeraFlex as that is what we run in our Jeeps.
Rock Krawler are great kits as well.
The AEV kits are designed for overland so that may be a good choice for you.
2008 Black and Khaki Sahara Unlimited. Auto, Tow pkg, Dual Tops, MyGig, Trax-Lok rear diff. 3.5" Rock Krawler fr springs, rear TeraFlex 2.5 BB, 35x12.50x17 Pitbull Rockers on Blackrock Viper Alloys, Flex-o-lite trans cooler, Mr Grille billet grille inserts, AEV Prem Bumper ETC.. AND a Locked and Lifted Honda Foreman for when the trails get real tight