That update just showed up here (Phila., PA burbs). It's listed as being 32Mb. I won't know what rev level it leaves in until it's finished.
BTW, I learned today, from a visit to a VZW store, that DINC's and DINC2's are having a problem which shows up as the phone seeming to be out of internal storage when, in fact, that's not the case. I've just been hit with that one and reporting that, at the store, is what prompted the comment. I was also told a fix is in the works but no ETA was given. We'll see if the memory problem goes away after the update is installed.
We're all out here beta testing for Google, HTC, Motorola, Verizon, and who knows who else. And, into the bargain, paying to do it. Say whut???