Actually there IS a way to play ps3 on laptops. There's a cord you can buy so that your laptop becomes a receiver. I've seen it done and have been thinking about doing this myself. It's called Easycap, you'll have to google it to find out where to get it. But I have a question for you - why would you buy a ps3 if you didn't have a TV to play it on? Isn't that kind of ....well I don't know - - - redundant?
it does not.
It just gives you an HDMI input to connect TVs.
So given that the idea others threw that with a tuner one can display ps3 in a laptop's screen, if you go buy a tuner with HD support (apparently having HDMI input) you are done.
If I were you I'd youtube it first...
An alternative is to bo buy an HD monitor. sold cheaply!