Performance differences would be negligible. You're better off with a small SSD for your system drive and use the larger ones as datastores. You can mess around with outer and inner data writing on physical disks, but again there's very little benefit apart from sequential reads increasing...
It's mandatory over here (Australia). Employers have to pay 9.25% of your salary/wage into a retirement fund (always referred to as superannuation or super here), and people that earn enough can stash away whatever else they want into those funds too. Been paying $$$ into mine since I was 16.
Is anyone else getting the following error while trying to purchase? "There seems to have been an error initializing or updating your transaction. Please wait a minute and try again or contact support for assistance."
I really don't want to miss out on these deals.. I'm guessing Steam servers...