I been looking around for some time now, and would just like to have a few question answered. 1) 5.5.1U safe to hack now? 2) still no HDD compatible? 3) biggest SD Card I can use? 4) which is better to block updates, DNS or router filter? 5) Be greatful to get a private msg or in here to where I can start or a link where this questions are alreay answered Thanks in advance, and really appreciate the hard work you guys do here..