Just a Note ( not to offend anyone ) :
If you cannot grab 4.0.1 shsh blogs from Cydia, I guarantee you that you will not have 4.0 shsh blogs with Cydia.
There is nothing you can do except wait for 4.1 jailbreak.
Hi I got iphone3gs and 4 g n I want both to b unlock they r having ios 4.0.2 I don't hv cydia or nething so plz help me with this thanx or plz tell me how can I download cydia n do I need to pay for it