i emailed LG the other day to see about V21E coming to the UK, and the support guy odly answered this question instead. Here's the email:
Thank you for your email regarding the P920 handset.
Based on the information you have provided me with and reading through your query, I would like to apologise for the issues you are experiencing with your handset , however i would advise that ICS update for the P920 will available from September , as our developers are working to make the software bug-free when released. It is currently in the testing phase.
seems that we should hopefuly know soon!
Ics is no better than GB. There is no point waiting for it. Had Isc on my samsung recently. If u are using custom GB roms than there is no difference in speed or features, appart from few not really worth mentioning.
Chill out guys and enjoy the GB
Sent from my LG-P920 using XDA