If you own the HTC Sensation Android phone and want to improve upon the experience then why not try the popular CyanogenMod 7 Rom for Sensation, to install the CM7 Rom on your device root the device first and install clockwork recovery via Rom Manager, Wipe clean and install the ROM. Make sure that you have backed up your phone before installing the custom ROM. Download details are given below.
Download CyanogenMod 7 for HTC Sensation [Android 2.3]
Download link [Thread link]