Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
For the audio sync issue, I'd double check your audio/video codecs. I always use CCCP. http://www.cccp-project.net/
Check if the Intel HD 2000 video supports DXVA hardware acceleration. (should since it's fairly new) http://en.wikipedia.org/wiki/DXVA I Had the same choppyness issue when...
I stream BR Rips from a gigabit network share RAID5 (Seagate 2tb 5,900rpm drives) and have no issues with lag. I'd say go WD Green or the Seagate Green.
Unless you're doing huge amounts of I/O for video file compression or something like that you won't see any performance increase in going...