Do you use any kind of payment protection system, similar to how EBay uses PayPal? I'm interested in several of your products (buying a new laptop soon), but I'm inherently suspicious of making a large credit card payment before the device has shipped. I've heard complaints of people receiving the wrong item/knock-off laptops, etc.
Pay Pal will not help you. After several hours on the phone with PayPal and which ever company you bought from, you will still ultimately get screwed by PayPal or end up waiting 2 months before you get you money back, if at all.