ned a laptop for college life, 4 assignment those stuff~

1. Brand----- currently aim DELL inspiron14 core i3 (gt any model more cheap n similar with it?
2. Budget.---- 2-2.5k (should i buy 2nd hand?)
3. Specs.------ MS, assignment, watching video, n some light games( sims, or java games mayb)
4. Size.--------- anything, as long easy 2 carry~