Website upgrade using Xcart Shopping cart

I need someone who can Upgrade my website and make it look professional and elegant, in other words TRUSTABLE! We are using Xcart Shopping Cart. this is the Website: [login to view URL] we sell Shop Fittings. We have a design already and colours but if you have a better idea on how to make it look great! I am open to consider it. I need you to fix the Shipping methods as well. We have just started so We do not have many items yet. So if you think you can do this job for me. Please contact me, and let me know what do you require to start this project right away!!!