You'll see the same level of fraud protection with any merchant account (which is, basically, no protection... just data that lets you determine whether to accept the sale or not)... however, you might look at Google Checkout - their policy pretty much states, if they mark the order as covered under their guarantee, as long as you ship to the address on the order and can provide delivery with a tracking number, they'll generally pay. You can read more about their protection policy here:
http://checkout.google.com/support/s...y?answer=42863
They are also probably going to be cheaper than any merchant account (they charge 2% flat, no matter which type of card is used), but the customer is required to create a Google Checkout account in order to purchase (so it does not act like a regular merchant account)... but definitely something to consider if you're looking for fraud protection.