Drivers Update Issues

I'm trying to update to the latest drivers for my Radeon HD 6870 card on my Windows 7 since I've been having some problems with crashing.  After the automatic update detection doesn't find anything I decide to double check and go directly to the page for the 6000 series drivers, see the Radeon Software Crimson suite, and decide to check through that.  After installing it, it tells me I do have an update to version 16.60.2011-170210a-311199C.  After I start the download, it tells me it's downloading version 15.7.  Once the Catalyst install manager launches and I get to the screen where I choose what to install it informs me that I already have the latest version, 15.301.1901-160226a-299900E, installed.


So, what's the deal?  What is the actual latest version?  I no longer have any idea if my drivers are up to date or what to do about it if they aren't.