The iHTML Merchant Enterprise edition builds on the feature set found in the iHTML Merchant Pro edition. iHTML Merchant Enterprise includes many advanced features to fully manage and promote an online store. The following list of features are in addition to those found in the iHTML Merchant Pro.
Orders & Customers

ship to and bill to addresses
ordering on account with login
customer can get history of their orders
customer can do a lookup of order status
handles subscription and recurring billing for magazines or monthly billing
emails customer when order status changes
allows customer to create a custom catalog of their favourite items
floating basket option instead of refreshing the screen, allows faster shopping

Shipping

UPS and Fedex shipping calculation lookups
shipping range table for the number of products to calculate shipping amount
percentage rate of order for calculating shipping amount

Styles

ability to change the display order of the product styles
the product copy function can now copy style information as well
the style editor allows easier editing to fix mistakes
write in option to allow customization of a product such as monogrammed items

Promotions

allows special promotions to be created and managed
discount levels can be created and managed
volume pricing calculations on orders

Products & Categories

a product can exist in multiple categories
inventory control features
thumbnail handling of product images
add custom fields to the products table to extend the functionality
allows customization of the search parameters
suppliers can now be managed

Marketing Features

search engine submission features
meta tag creation assistance
easy subscribe options to electronic web marketing/sales newsletters
affiliate program creation and management, great for increasing sales

General Settings

selection for weight type (lbs. kgs.)
really cool RGB chart for the link colours in the admin
option to not store CC numbers in the database
can override default SMTP server settings
function remove products from being set as New
function remove products from being set as Special
function to set all inactive products to active
minimum order size option to be able to place an order
common text areas can be modified from the admin
width and height of an image is used to draw screens quicker
the customer can select Secure or Insecure for payment
scripts to upgrade the store from Pro and/or run in an SQL server
checks on cookie path and site URL to ensure correctness
Continue Shopping button on the basket page
redesign of the admin to improve response time

Templates

additional template
template options to change colors of textured graphics

Commerce

multiple currency support and exchange rate handling
selected the credit cards supported to display on the site
credit card verification before transaction processing
ability to turn off the commerce option and just use as a catalog

Reporting

additional reports
account management (Check Status, View Old Orders)
affiliate program reports