Finding Durablend is the hard part, getting it at a decent price is a win IMO. That comes out to $16.50 for 5 quarts, comparable to Dexos blends in jugs at Wally's. And you won't find Durablend at any Wally's around here anyway.
2004 Jeep GC WJ 4.0 @ 128k Pennzoil YB SAE 30 w/MMO
Fram PH16 test
KIA Sedona 52k, Chevy Lumina 178k, Chrysler Sebring 181k, Chrysler Concorde 109k