have u tried recovering bad sector on ur hard drive wit hdd regenerator? i got few bad sectors and it recovered them although i cant understand what exactly u mean by damaged block :O
Dominator is better than vengeance any time, even got lower windows experience score on ram. But I got vengeance 8gb and I have to sell the dominators now.
i have GT240 with 11.28 month warranty, i can sold it around 9500Rs and can add 4000Rs which makes my offer around 14000, if you can wait for another month then i can meet you demand