Here's an one click root tool for Android, UniversalAndRoot:
A new and simple root method..."UniversalAndroot" - Android @ MoDaCo
Developed by some Taiwanese developers on the root exploit released on xda. Comments on the blog are generally positive.
It is also opensource (shakalaca's UniversalAndroot at master - GitHub), which is scary. But that's a story for another day.
Just install the APK and follow the instructions: http://bit.ly/aa4jxJ
May take more than one try
Another alternative Superoneclick:
Multiupload DL: http://www.multiupload.com/UWMLM1IU60