The Droid's screen IS better than the Incredible, as far as resolution is concerned. Clarity of text and crispness of edges is superior on the Droid compared to the Incredible, but the Incredible out-performs the Droid on photo reproduction. So there are pros and cons to the Incredible's display. If we didn't have the Droid as a comparison point, the shortcomings of the Incredible's display may not be as easily noticeable, but when you have the Droid as a reference you can quickly tell that something is "off" about the Incredible's display.
Read the link and see pictures below: Secrets of the Nexus One's screen: science, color, and hacks (The Nexus One and the Droid Incredible use the same PenTile Pixel Matrix technology for their AMOLED screens.)
"There's no need sell your phone on eBay after reading this, and don't change your mind about purchasing a Nexus One until you've had a chance to see the screen yourself. You may not even notice or care about the text reproduction issue. Only when compared with an extremely high-res LCD screen like on the Droid are the text fuzziness comments truly noticeable—and that's a high standard to hold the screen to."
Droid LCD on the left; Incredible's AMOLED on the right:
A close up view of the Incredible's screen with a drop of water magnifying the sub-pixel structure: