This rom is running great on my acer a500. Almost everything works right off the bat. So I can only only point out some small issues and possible work arounds.
Backup your current rom first, always! .This version of the omni rom installed well on my second try. The first try resulted in loss of root. Needed to properly wipe cache and davik cache and format data.
The lack of boot animation, got me the first time. So as the op says, wait and the rom will load. The smart launcher interface is nice.
Netflix and Youtube works right away.
Chrome Browsers don't play videos. "Lightening" browser does. You have to click on the video and then select full screen icon. Press play and it works. Even for PBS videos etc.
There is no video recorder app so anyone with a good suggestion please let me know and I can try that.
Audio recorder works.
Location works.
By the way...Tablet UI is dead, some of us really like the Tablet UI..
If you are having problems with any apps, you may need to have their cache and data cleaned. Sometimes you may have to reinstall the app. If you have apps that you want me to try, let me know and I can do that and provide feedback (please only the free versions that I can download to try
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As they say, once you're with omni you can never go back.
D.
P.S. Will post images later.