Interspire Shopping Cart Customization

Hello, We currently have a customized version of Interspire Shopping Cart ver. 6.1.1. We have a few issues that need addressed and would like to find a developer that can fix these: 1. When checking out with multiple addresses, it adds an extra page or step that requires the customer to just click next button. We would like the page/step removed from the checkout process. 2. Gift Message edit feature during the checkout process forces the the customer back to the beginning of the checkout process. Making them type in their name address and other info again. We would like this fixed, so that when they update the Gift Message in the checkout pages, it updates immediately and doesn't redirect you to the beginning. 3. We need to have the Vendor Module/Option disabled from our Interspire site. 4. Coupon and Member Discount Rule Issue: --A-- If a Valid Coupon Offer is used and the value / percentage is a higher discount than the member discount, then use this note: Congratulations! The coupon entered is valid and provides you with a higher discount for your order than your Member Advantage Discount. The coupon value has been used to calculate your overall savings. We hope you enjoy the additional savings! --B-- If a Valid Coupon Offer is used and the value / percentage is a lower discount then the Member Advantage Discount, then use this note: The coupon entered is valid, however your current Membership Advantage Discount is higher than the discount offered by the coupon. In this case, your Membership Advantage Discount has been used to calculate your overall savings. --------------------------------------------------------------------------------------------------------------------- The url of the site that needs work: [login to view URL] This is a really easy job for an experienced Interspire developer. Thus we need this done by the end of the week.