I'm using 310.90 and not having any issues.
Try this link too and see if it can help.
http://kostasfsworld.wordpress.com/fsx-software-and-hardware-guide/
Thanks for the link. Already had a look at that too

Well, I have upgraded to 310.90 and it seems to be ok so far. With one expection. Does anyone else get the error with the PMDG aircraft that after you exit a flight the fsx page is garbled and on the bottom right of the screen?
I have seen some others complain about it on forums, but I have yet to find a solution, if there is one.
Also, and I know this is an old question that has been asked before, so I apologies in advance, but how do you guys set up your planes for cold and dark?
I tried the method described by some, took the Cessna to the gate at Heathrow and turned off the key and battery switches. The problem is, when I load my 737 over that, the plane is on, with engines running, and is about half a plane length too far forward. Please help the noob

On the plus side, I did manage the first tutorial flight from PMDG for my 737, which went ok, with a few glitches on my part. Mainly it showed how much I have to learn. It was brilliant though watching the plane fly it own course and come down for a perfect autolanding.

Oh, and as always, the pictures look excellent.
Thanks.