Western Digital offers a line of 2.5” drives made specifically for HTPCs, PVRs, surveillance video and digital signs. These drives use a 3 Gb/s interface, 32 MB cache and range in size from 160GB to 500GB. If you are looking for a 2.5” drive for your HTPC then the WD AV-25 line is for you.
There have been lots of discussions, rumours, musings and occasional panic around advanced format hard drives and Windows Home Server. Microsoft have issued a KB article talking about it.
Toshiba have just announced a new a new Wipe technology for their self encrypting disk drives that can security erase your data when powered-down or removed.