Corporate Identity Logo + Letterhead + Name Card Design

We are looking for a design to design our corporate logo identity. We are an auction site that is new to the market and want a logo that is outstanding and everyone will reconize us easily just by looking at it. We also need a design for name cards and company letter heads as well as envelopes as well. Design to be done in the highest resolution possible. Has to be done in Vector graphics, Illustrator/Freehand required. Please attach you portfolio for us to decide. The best portfolio will win the design. Price isn't a problem