I am still playing my original Ram Zebra and my five is a Great Big Bertha Titanium
Wow there's some old stuff in here. 915h and 915f are my oldest. I have baby blades as well, so the design is old.. but they were new this year so that probably doesn't count.
Sonartec SS-2.5 4 Wood. I've tried to replace it, but it always makes it way back into the bag.
Tour Edge Exotic CB2
Ping Tour Gorge Wedge