Go with puddles build, but with hikari's gskill PI ram. You will have a great build.
this is a great buy since your on a budget
Newegg.com - MSI N260GTX-T2D896-OCv4 GeForce GTX 260 896MB 448-bit DDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Desktop Graphics / Video Cards
pretty much the same as a 4870 1gb, with rebates its 155. awesome deal.
this is a great buy since your on a budget
Newegg.com - MSI N260GTX-T2D896-OCv4 GeForce GTX 260 896MB 448-bit DDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Desktop Graphics / Video Cards
pretty much the same as a 4870 1gb, with rebates its 155. awesome deal.