Browsing through the manual shows allows us to derive some information such as Android 2.3 Gingerbread running inside, so you need not fret and wait for an update in due time. While Motorola’s MotoBLUR is no HTC Sense, this layer on top of the stock Android user interface would go some way in making it a more pleasant user experience.
The DROID 3 will already feature a built-in Swype on-screen keyboard, so you ought to be able to get those text messages out faster and with less grammatical errors. Curious cats can always check out the manual here to help you make a decision before bringing one home.