Wordpress Shopping Cart Enhancement

My website is [login to view URL] Based on wordpress template from [login to view URL] Website needs to be enhanced for checkout process and some other simple enhancements. Change1: Purchase in 3 clicks or less. Basically I want pain free purchase. If you suggest free plugin or paid plugin that works with theme and give me below, I will consider that as long its less than 40 dollars. 1. Once you click checkout now, I want three payment options – CLICK1 a. Pay with Credit Card b. Pay with Paypal c. Express checkout existing users d. Pay by check. Give details for the check to be mailed CLICK2 If user select a, it should ask for full address and credit card information and show pay button. If user select b, it should show take to paypal page for user name and password. it should automatically take address, name info from paypal account and show confirm purchase button If user selects c, upon login and show confirm purchase button Save credit card info for existing users so that purchase complete in third click- no data entry required. Click3 Click Confirm purchase , show thank you page. Change 1a: On View Cart, there should a button to update total shipping cost based on zipcode of the customer. ********** Change2: Do not display + in drop down of product page. Instead, upon selection on number of plates, update the total price on page. ************ Change3: Have option for COUPON CODE FOR x% DISCOUNT of total shipping. X% will configured when creating coupon. ************* Change 4: Facility to process phone order thru the website using customer pricing and shipping. Phone order will result in paypal invoice to customer for payment or credit card will be entered by the operator to be charged for the phone order. This form will automatically pull the prices of all products from website and then operator can change price per unit and qty and shipping amount to complete the order ********************* Change 5 Option to have Expedite shipping option Right now there is only option of having one shipping. Would like to offer customer shipping options for Option 1 : 2-4 days Option 2 : 5-7 days Option 3: 8-14 days *********************** Change 6: Generate fedex label from website after asking user box dims and weight and number of boxes. U can use free plugin that will work with this theme. ************** Change 6: Login using FB, myspace, linkedin, google+, twitter. You can use free plugin that will work with this theme. Change 7 testimonial page - Use a plug in that will work with this theme 30 days free support and thereafter paid support requested. Paid support can be talked about.