Friend is coming from US next week and i was thinking of buying Nexus One. Need help from Nexus One Users (I think admin had it before Nexus S)Here are the few questions i have : - 1. I am getting it for around $275 ( Rs. 12500) . Is that a fair deal/VFM ?2. I think it comes with 2.1. Does it get 2.2/2.3 upgrade ?3. if it does get 2.2/2.3 upgrade, will it support flash without any issues. ?4. any other cons you can list here will be helpful.5. i am getting this from Amazon, Do you know any other good sites where i can look/shop for mobiles for US