I have a HP 550 laptop.This was my only laptop so far. I have been using it for 3 years now,and I never had any sorts of problems with it.HP makes the best laptops in the world !
Your custom built pc is really a good one, I don't think you need to improve parts for another 2 years or so :$...Custom built. Have had it for quite a while now, so i need to improve some parts. Here are my specs
CPU: Intel core i7-2600K @ 3.4 ghz
GPU: AMD radeon HD 6570 1GB ( Will improve this later)
RAM: 4GB DDR3 (Will upgrade to 8 later)
Power supply: 650W
OS: Windows 7 home premium.
1.5TB hard disk.