At first I thought it was a notification that would magically appear when my phone came ready for the update...but after reading all the posts, I decided to also call VZ myself and get some info about the update. Soooo the guy told me to dial *22899 and let the music play and tell me that its done. He told me after that I'd have the 1.4. I did it, but it was still the 1.3.5 or whatever. So I went to the updates screen and it took a min to access the network again, but as soon as it did I got a notification that WebOS 1.4 was available, so I am now downloading it as I type... FINALLY!!!
So for those of you who have been patiently (or impatiently) waiting, it doesnt hurt to try that as well...Good luck!!!