before you do anything in drupal, determine what static content you want from your old site and, more importantly, how the dynamic features of drupal will be applied to your site. a consultant can help greatly at this juncture. [shameless plug]

Install needed modules
(link to script when modules array fetch feature is complete.)
front_page
webform

Setup dns and point to new site. (The script does the rest.)

Restart the webserver and go to the site a soon as your dns propigates.
Create the Superuser account. (user/1).
Login, change password.
Logout and login with the new password.
Go to Administer->Settings
Turn of Log Errors To Screen
Turn on Private files downloads.
Turn on clean URL's
Submit to apply changes.
Name the site

Administer->Themes
Select theme etc.

(screenshot links)

Make blank static pages on your drupal site that correspond to the static content of your existing site.

create content->page
title
move on to the next one, we'll place the body content later.