I cannot stress enough how important it is to make sure your drivers are updated. Not just with Elemental, but with any and every game I've ever had stability issues with, this is almost always the reason why. To people having a rough experience and seeing lots of crashes, make sure your drivers are current. If you don't know how or have never done this before, here's what to do (at least in Windows 7; as I recall Vista and XP are pretty much the same):
1) Go to control panel.
2) Click on "Device Manager."
3) Find "Display Adapters" and click on the little arrow.
4a) Your graphics card should now appear; right click on it and select "Update Driver Software."
4b) Alternatively, click on "Properties," then go to the "Driver" tab and click on "Update Driver."
5) In either case, Windows 7 asks you some Windows 7 stuff. Do what makes the most sense (have it automatically search, give it permission, etc).
6) Once your drivers are updated, it doesn't hurt to reboot.
If that doesn't fit your problems with stability (with Elemental or any other game), post a crash dump or a bug report. At that point, once everything is updated on your end, it will be a lot easier for Stardock to fix it on theirs.