proofing

My friend needs to buy a laptop.. Please recommend. Note: under no circumstance is the price to exceed 40k Priorities( in order importance) 1)AutoCAD, 3d modelling 2) gaming 3) ASS Years to be used: 3-4 years ( future proofing essential) Only brands to be considered: Lenovo,hp,dell, Samsung...

HI All , I have been hearing lots about Lg optimus one , and seems like a champion Fone @ 10 K , What I want to know is Anything which is as Scoring as LG Optimus one in the Sub 20K range . I dont want Lg optimus one for Slow procesor , Want future Proofing , Dont intend buy...