I found this website and downloaded their Mobile Agent program to my PC and I am able to archive all my text messages. The program lets you do a whole lot more but that's all I use it for, personally. Check the site out and download the right version for your phone, it's free and definitely worth it. It worked right away for me, I didn't have to tweak anything. I just use my W300i and the factory USB cable and it works great. Mobile Agent works for Sony Ericsson only right now. I know there's a lot of people who have important messages they don't want to lose and this alone could make buying that Sony worth it for some of us. Have fun guys, thought I would share the find with you.
http://fma.sourceforge.net/ »
...