"Update 1.3 for Skyrim is now available on Steam and is being submitted to Sony and Microsoft. As soon as we have more information on the update hitting PlayStation 3 and Xbox 360, we’ll let everyone know. Below are the release notes for the update:
Update 1.3 Notes (all platforms unless specified)
General stability improvements
Optimize performance for Core 2 Duo CPUs (PC)
Fixed Radiant Story incorrectly filling certain roles
Fixed magic resistances not calculating properly
Fixed issue with placing books on bookshelves inside player purchased homes
Fixed dragon animation issues with saving and loading
Fixed Y-look input to scale correctly with framerate
We’re also planning on rolling out support for 4-Gigabyte Tuning (Large Address Aware) next week for our PC users. Stay tuned!"
It's about time they officially support 4gb which should have been used since Oblivion. This patch should help with the crashes.