For those who play iRacing, Live for Speed, Assetto, etc. Do you have a kickass PC that runs everything really well? Not that I want a setup like the one here, but every YouTube video I've seen shows the games running silky-smooth. Meanwhile, all these sims have really low baseline requirements. I'm no expert, but I know running things at the minimum or anywhere near it doesn't look that good.

I'm currently on a 5 year old throwaway HP laptop that can't run anything as I save up for something new (lost my newer Sony, very sad). Can you play these with a decent framerate and solid graphics on a non-gaming-focused new computer? Or should I not get my hopes up without investing a fair amount of money in making my new machine gaming-ready?