Rated 1 out of 5 stars

Well, I guess I should have seen the writing on the wall when Xmarks was acquired by Last Pass.
I just installed my new FF4 and the most recent update of Xmarks and now the Password Sync feature is broke/gone.
Then I discover that Xmarks is in the top ten of a list compiled by the fine folks over at Mozilla as an addon that impacts Firefox's speed by up to 30%!
You can view this list for yourself at: https://addons.mozilla.org/en-US/firefox/performance/#addon-11
Xmarks has gone straight to hell now and I for one will not ride with them on that trip.
This Addon was once ranked as one of the very best feature addons to have in the Firefox Addon arsenal but not anymore.
If any of you people over at "XPASS" are reading this, pay attention now.
Your merging failed your following!
As you now read, Firefox 4 users are now dumping this Add-On by the boat load! And the greatest majority of them will NEVER come back no matter what you do.
Good riddance and thanks for the memories!

This review is for a previous version of the add-on (