I bought a new driver a few weeks ago - Callaway's newest Big Bertha. I put it in play today, found a course open about an hour south of here... it felt nice, mis-hits were playable, and I think it did pretty well based on me not having played in nearly two months.
But honestly - it's not going to be this huge difference-maker for me. I knew that already going in. My older driver is getting pretty worn, and I figured now's as good a time as any to upgrade, hopefully to get a feel for it with a few rounds by the time the season officially starts.
I don't change drivers too often, so this was kinda new territory for me. Hybrids, on the other hand... I could host a demo day at my club for lefties!