Can someone tell me the best modules for a directory of vendors who pay a yearly charge for a display section?

Before coming to Drupal...
I basically built a site with the LOOK I want, but I need the interactivity of Drupal so new Participant vendors can each have yearly-paid access to a pre-formatted set-sized division (think of a directory introducing a growing number of Participant vendors displaying their company splash as you scroll down the page).

I need each Participant vendor to have right of access only to their own pre-formatted "division" so they can upload, say, a 300x300 jpg on the left and some max amount of intro text and / or logo on the right, plus a button linking to their own entire page on the same website where they have tools to set up display with more freedom as they wish, preferably drag and drop for their jpgs and auto-formatting text boxes easy for non-techies.

So each vendor has his own css predefined-look table to add text and photo data to on a front page to keep a fairly uniform site appearance. Each new member's created table/division/whateverdrupalcallsit gets added to the existing scrolling "list" of others, auto-inserted alphabetically by the member-vendor's company name.

This is for a website introducing independent perfumers' fragrance lines, so I need a deep-toned zen-like high-fashion look, not bloggish.
I've designed some beautiful page-width horizontal jpg division separators I'd like to use between the vendors' divisions as well as a Flash-based page header with a perfume bottle spewing beautiful colorful "fumes."

Are there module sets someone can recommend to me?

Thanks a million in advance!