Dell Latitude E6420-E6430, HP Envy 4 or Envy 15, Asus U36SD or U56S, Vaio VPCSC1AFM or Vaio Z any 2nd gen. Dont go after i7 as i5 will be enough with these models as they are expensive and light weight. Also consider Samsung RC512-S02. Its i7 with all the rich features in ur budget
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