Hi there, me again.
I'm still using the firmware from last time, as you originally described in this thread (by renaming the downloaded file). It's working fine but it's not updated to ICS. So now I'm looking to update and still get access to Google Play, which this looks like being able to do.
Anyway, just one question here. If I do all the new method above, will I lose all my currently installed apps? Some have been installed via non-market sources.
Also: Thank you!