I agree wholeheartedly with the theme of this thread. However, despite the 4" screen the Droid 4 is still too big IMHO.
It's not so much the size of the screen that's important to those of us who want our phones to be a bit smaller. It's the overall size that's the most important thing.
I love my Incredible 2 and for me the size is perfect. But the specs are becoming outdated (no LTE, 1 Ghz processor, etc.).
So I'm really looking forward to the release of rumored Inc 3. Still with a 4" screen, LTE, and a 1.2 Ghz processor. I'd rather see a faster processor, but at least it will be an improvement and I expect it will get me through the next couple of years.
I even had a Thunderbolt for a while but it was just too thick, heavy and bulky for my taste. Even though HTC did a fantastic job of putting a 4.3 inch screen on a relatively small phone overall. If the Thunderbolt were thinner and lighter, I wouldn't balk at all about the 4.3 inch screen.