Supplier of PS2 Consoles?

Greetings I need to buy around 10 Ps2 Consoles (Format Ntsc-US) per month. I don't find a good price and a supplier. I pay cash.

Shipment and taxes to Ecuador

Greetings I am frustrated, I want to buy video consoles as psp, ps2, xbox and xbox360 (Consoles, games and accessories), like I can know the real cost of each product, since they announce the price...