Just bought a new macbook as my partner has now got my 1 year old blackbook. The first unit had the split casing issue and went straight back,this unit I have now is not much better still splitting and dodgy keyboard,the build quality seems nowhere near a good as a year ago. I am considering calling Apple and returning this one and upgrading to a macbook pro(can't wait for the updates)..a couple of questions: Will the 4gb ram I have just bought for the macbook work in the macbook pro? Would the build quality on the macbook pro be better? Any advice would be great?