Reply to Windows vs MAC for DJing...what are drivers?

So its time I buy a new laptop, and I dont want the only reason to buy a MAC be because of DJing...

I was believeing of getting an Alienware M14x which costs the same as a Macbook Pro...(Im also a gamer)

Im not sure what drivers are, but Ive heard that macs dont need to upgrade drivers, and windows have to? please enlighten me on this...what are drivers and how do they work? how do i download the latest drivers?