NOTE: Over the next few years (2012-2015), more people will start having issues with GPT/EFI Partitioned hard disks; only GPT partitioning can take full advantage of disks larger than 2 TB (TeraBytes). A disk editor will still be useful (if it can access a drive that large), but many tools that provide detailed information about how disks are partitioned were designed only for Basic MBR partitioned disks, and they are useless in providing GPT (GUID Partition Table) data.