Replaced my battery because starting the Jeep was beginning to become a game of chance. I looked into the Optimas, but damn, they are expensive - $179.99 for the red top from O'reilly. I took a look at my receipt and it was still within the 3-year free replacement warranty. Sweet!
'99 WJ Limited 4x4, 4.0L, Patriot Blue Metallic, IRO 3" springs, track bar, and rear sway bar links, Doetsch Tech 8000 shocks, Tenneco steering stabilizer, Carolina Driveline double-cardan front drive shaft.