Integrated graphics in most ultraportables are not as useless as they once were. It is actually possible to game on an ultrabook, it's just a matter of choosing the game and its settings carefully. We've tested 34 games on a ThinkPad X1 Carbon to give you an idea of what games are actually playable on modern ultraportables.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips