Best method of online payment for Poland online businesses

I am about to start my online retail company in Poland...i want to know what is the most prefered method of accepting payments from customers.

Have you looked at Google Check-out?

Direct to bank account payments from what I have seen. Most companies have their account number on the site.

Thanks for the response . My target customers are young people within the ages bracket 14-30 yrs...are young people within the age bracket 14-19 able to pay to banks ?

I honestly don't know. But if they can't pay by bank transfer due to age it is unlikely they will be able to pay by credit card, paypal or anything else as they would have the same age limits probably.