I love my Griffin all-aluminum single-row. Very well made and easily keeps the coolant at the proper temp on the hottest days, going uphill in the mountains with the a/c on.
The only reason I didn't go OEM is because my orignial OEM leaked at the plastic tank seams. Also, a friend of mine had the plastic tank on his OEM blow out on the highway.
2000 TJ, 4.0L, 4" short arm suspension lift, 35" tires, Rear D44 and front HP30 both with ARBs and chromo shafts, NV3550.