With 4.0.1 and the Flexible Raid Lock System it is now possible to link
Instance Locks directly from the RaidInfo window to chat.
However when such a link is linked in guild or trade
your own status for the instance is not readily available.
Well... no more ![Wink](//cdn-wow.mmoui.com/images/style_mmoi_wowi2/smilies/wink.gif)
Instance comparison as easy as comparing items.
Instance Lock Compare
... will automatically go over your saved instances and show a comparison ToolTip
with your status for the instance linked.
Know instantly if you can join the raid,
or if several are linked which one you would prefer to enter.