What MBook for travel and sony a77raw? (Little important)

Hey guys .

I bought in the last my choice the A77 but now i saw that my netbook (Amd c-60) can't read a77's raw with lightroom and my old vaio 16,4" and my new desktop pc can work good.

So i think to buy a new notebook for travelling use but i must work with lightroom and the a77's raw . I wanna try to buy a macbook because in this moment Apple sell them with 0% interest and taeg .

So, what macbook can work and read fats raw ?