Forum Moderators: buckworks
You'll also get a better deal on hosting, because the account will be cheaper per month, and buying/installing the shopping cart script will be a one-time expense. (But make sure to get a shopping cart with a web-based adminitrative system if you're not comfortable tinkering around on your server!)
Or do you have a merchant account already, and just need an internet payment gateway? I've set up AuthorizeNet before, and it wasn't bad at all. The office actually switched to running ALL their CC transactions through the web interface...