I've installed Magento on
http://80.175.41.146/ so give it a go and see what you think.
If you want to install yourself, you can get it from
http://www.magentocommerce.com/ but check the system requirements first because this version won't run on everyone's server.
Apache Web Server (1.x or 2.x)
PHP 5.2.0 or newer, with the following extensions/addons:
- PDO/MySQL
- MySQLi
- mcrypt
- mhash
- simplexml
- DOM
MySQL 4.1.20 or newer
A Sendmail-compatible Mail Transfer Agent (MTA) - Magento will connect directly to an SMTP server if you don't have an MTA