http://articulo.mercadolibre.com.ar/MLA-101415529-pc-amd-phenom-ii-965-4gb-ddr3-5770-1-tera-asus-envio-gratis-_JM
Phenom II X4 3.4Ghz (overclock can be done)
4gb ram
HD 5770
$615
http://articulo.mercadolibre.com.ar/MLA-101100690-pc-intel-i5-760-28ghz4gb-ddr3500gb240gts-1gb-ddr3hdmi-_JM
Core i5 760 2.8Ghz quad core
GT240 -> like a slightly weaker version compared to GTS250
$565
http://articulo.mercadolibre.com.ar/MLA-101100690-pc-intel-i5-760-28ghz4gb-ddr3500gb240gts-1gb-ddr3hdmi-_JM
Core i5
HD 5670, DX11 but same power as GT240
$584
I suggest the top one though.
Tease.







