I think google has like an official survey app that lets you earn google play and paypal credit. if you google you should find it, assuming they haven't shut it down yet.
minecraft can run with just 1gb allocated, and if you turn down the settings and use a performance mod like optifine it can run on pretty much any gpu as long as it supports opengl 2.0.
swapping gpu is pretty easy. but first I would clean the inside of the case and then re-seat your current gpu and see if that fixes it
but first of all run memtest86+
Besides the RCM exploit, there is one that works on firmwares between 4.0.1 and 4.1.0, even on ipatched systems. But most systems in stores come with a newer fw than that probably. SX is pretty much obsolete now, since everything can be done for free with Atmosphere.
I think I would like the slide puzzle thing a lot more if it didn't just show you the correct arrangement at the start. So far my experience with the combat has been that every enemy just dies in one hit with the attack bonus, even if you mess up the timing, and you are always given enough free...
hahahaha I'm half way through a bag off my Volcano and my tolerance is way down because I haven't been smoking much lately, so I was a little slow to catch that that was what your angle was