Blog theme required

Hi, I need 3 themes for Wordpress. Themes will be custom and i will hold the rights. I need 2 3colomn and one 2 colomn theme, with 1 theme will be rounded corner. You dont need to create a very high quality graphics as we will create the header graphics and logo ourselves. The color specs and header design will be provided once I finalize the things. please quote your best possible rates along with portfolio, so that i can decide it fast. best regards sipltech