yung MSI na GT683 (yung i5 version) mga around 57k siya with 6 months 0% interest ata (not sure kung ano ang exact kasi discounted ang bigay sakin na presyo pag tanong ko basta mga around 57-58k)
eto yung dating GX680 (although meron ka pang makitang GX680 mas ok yung GT683), kung baga improved variant ng GX680 with almost the same price (mga 2k lang ata difference). almost same specs din sa video card lang, yung GT683 has 1.5GB dedicated yung GX680 has 1GB
dun sa nagtanong about GX660, wala na yun. kung may mahanap ka mga old stocks na yun. i suggest you go for the newer models
you can also try yung GE620DX (i5 variant), mga 40K yun (39,999 ang srp). also with mga 6months 0% interest. a bit lower specs (lower chipset, lower video card, 6 cell battery). but still a very good gaming laptop