Fahim,
There are a handfull of guys willing to help you...I think there are a few criterias that need to be made first.
Size - Not Important
Name Of Logo: eg Caprice Computers
Colors - Not Bright, Not Dull
Type of logo 'theme': Fancy, Techie, simple, professional, artsy
To be used for: eg biz cards, website...
and im sure theres more...thats the basics we can work from there.