Voted Best Answer
Feb 06, 2013 - 03:42 AM
It supports many different credit card authorization companies, it is multi-lingual, supports tax calculations, shipping rates, mailing lists, and just about everything you expect from a commercial shop.
My favourite feature is you can make a PayPal shop with no costs at all, as long as you have a PayPal account.
I would recommend "Nearly Free Speech" as a hosting company, I'm not affilliated with them in any way but I love their policy of paying for web hosting by the penny. An OSCommerce website installation will cost somewhere between 34 cents and $2 a month, depending on how big your store is and how many people visit it.