Hello Experts ! I have nexes one, and i had rooted last year. then i had stopped using my nexus one for a year or so. Now again i am back to my nexus one. But, i am not able to use ROM manager, how do i update properly my phone. currently i dont have Android market app installed. its all screwed up. can you please help me and guide me how do i either remove ROOT and go back to original google OS? or atlest reset my root and get andriod market back ? i have also bought Premium ROM manager. Atlest if some one can give me a link , from where i can download current ROM then i can save it to my SD card and load it from there, Please help..