I'm looking for the best SSD to update my old Mac Pro (3.1 Quad Core 2.8GHz). I'd like about 300Gb so that I can have my work files (80Gb) on there a well as the boot system (and photos as well). I ...

Hi - I've put a Crucial M4 512Gb SSD in to my 2008 Mac Pro (Lion), and it's transformed the old chap. However, I have had a couple of instances of coming down in the morning to find a frozen screen ...