Specs Intel Core Duo 2 2.4 GHz 4 GB RAM DDR3 320 GB Serial ATA HD My Macbook Pro has gotten quite old, marks its five-year anniversary in a couple of months. I have plans in the future (end of this year, maybe next one) to buy a new Pro, but until then I was thinking of making a little upgrade to my current one. I was thinking of replacing the RAM with 8 GB and the HD with a 250 SSD both from Crucial, in addition to replacing the battery from Apple since it has been rendered nearly useless at this point. Everything should cost me around 350, more or less, and I think that's quite a decent price, as it obviously also raises the laptop's value when/if I decide to sell it afterwards. I just wanted a general opinion from some of you. Is it worth upgrading? Also, I am currently running Snow Leopard as Yosemite was too slow when I tried it. Do you think that with the upgrade Yosemite will run faster and smoother? Thanks in advance.