Frequent crashing. Logs linked.

I crash frequently on researching a new technology or for no obvious reason.  Additionally the game hangs rough 50-75% of the time when I attempt to load a saved game.  If there is any further info needed just let me know.

Crash logs:

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-08T23-54-39-874.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T00-16-58-941.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T00-30-47-261.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T00-32-30-914.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T20-34-23-32.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T20-36-16-699.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T20-51-20-638.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T21-00-09-274.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T21-29-35-74.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T21-32-37-698.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T21-56-17-138.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-09T23-04-22-556.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-10T00-19-09-473.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-10T07-13-42-604.zip

http://dl.dropbox.com/u/8935853/Elemental0_805-2010-07-10T07-51-28-102.zip