Sir, i am a gold member and i have 2 ratings both postive. If you look at the rating you will see i have done exactly similar thing which you are looking for. Infact i have made a customised osCommerce carting solution which includes the following features at a glance:-------
Fully Loaded. Has all of the popular contributions built in:
Affiliate System
Gift Voucher/Coupons
Downloads
Advanced Subscription Capability
Real Time Shipping Qoutes
Advanced Skins and Theme Functions
Easy Content Wrapping System
Subscription and Non Subscription products can be sold at once
Time Tracking
News Desk and Faq
Multiple admin groups and control
faq desk
news desk
Download
GZip Compression
WYSIWYG Editor 1.7
Site Maintenance
Affiliate Program
Dynamic MoPics
Quick Add Product
Specials
Cross Sell Products
EasyPopulate
Define MainPage
SaleMaker
Featured Products
Products Expected
Infobox Admin
Template Admin
File Manager
Send Email
Newsletter Manager
Server Info
Who's Online
Realtime auto updating currency rates.
And much much more! A powerfull tool for Ecommece, a must have. Very easy to use and configure, one touch installation. Partial list of installed features: Out of the box with alittle configuration it can do many things like the new download systems, shipping estimators for any shipping module through curl. All of the major pay proccessors. extensive module control and many order modules like gift certificates and vouchers. Multiple admin groups and control, faq desk, news desk. Download, GZip Compression, WYSIWYG Editor 1.7, Site Maintenance, Affiliate Program, Dynamic MoPics, Quick Add Product, Specials, Cross Sell Products, EasyPopulate, Define MainPage, SaleMaker, Featured Products, Products Expected, Infobox Admin, Template Admin, File Manager, Send Email, Newsletter Manager, Server Info, Who's Online, Realtime auto updating currency rates.