Can you give me some Advice on HTC Sense UI?

Earlier than you begin you must have setup ADB, you this procedure to do so, and then once you can see a Serial Number come back to this process and carry on. How to setup ADB and root the Nexus One. Download Super boot download the one for your build version! To check your build version go to Settings > About Phone > then scroll to the bottom to see Build Number. Once it is saving to your computer, unzip it to your C: by right clicking it and clicking Extract File. Once it is extracted to the C:, rename the folder to Super boot. Turn off your Nexus One and then plug it in to your computer via USB cable. Turn the phone back on by holding down the trackball and striking power. Open the Command Prompt on your computer by opening the Start Menu, then either typing cmd and hitting enter in the search box or by clicking Run and typing cmd and hitting enter. Now, while the phone is still associated, go on your computer to the Super boot folder and open it. Inside you will see a file called, install-super boot windows.bat. Double click install-superboot-windows.bat and wait for it to finish. All done, rooted.