The thing which annoys me the most of the way too big hit insets of the checkboxes, you always select a different checkbox, while your cursor is over another.
Also each time you use a dropdown from the addon, you unable to queue to battlegrounds due a taint. Here is a lib to fix it:
http://www.wowinterface.com/download...pDownMenu.html
Or you could use my total custom awesome dropdown you can find here:
http://www.wowinterface.com/forums/s...ad.php?t=49537