I ha e a little dilema here. HP DM4 laptop comes at 699 and a 12 month warranty. It has a 2.2 i5, 4gb, 500gb and generic gfx. Samsung QX410 is a high end model with a geforce, 2.6 cpu,bt, wimax etc. same price as refurb but no warranty. Never had a laptop before. Is it wise buying the samsung ?