The rumor that HTC Droid Incredible will be getting an update to Froyo on August is all over the internet, while there are still no official announcements to keep up with the date.
At the same time there are also a few so-called spy pics of the screenshot of the device having Froyo on. The pic is rather unreliable, as we know that it can be of either some other device or just another creation of those working with Photoshop.
But if you are too inpatient to wait for the official update you can turn out the manual update version. Just keep up with the idea that at this point everything is being done at your own risk and thus the update may need root your device.