even after 3 years they are there to answer qestions and help out, i have had to do a few sustem rewrites but lol im always ptting somthing new in to it.  i really can not ask for better it has given me no issue as for usage it runs and maintain 13 ip cam under blueiris while using the program playon which records movies for you al while you can still surf the web watch vides without issues.  i see a lot of bad reviews i have nothing but good from these guys and the machine.  if anything it the 25 meg of internet slowing me down than anything, but lol i would never know it.  always keep your systems cleaned defraged antivirus. get with norton they will take good care of you with out using up your resourses.  all i have to this is add a hard drive a capture card and sood a pci 3.0 usb cars even though it has plenty they are full.  its that good.