The Z87-Deluxe/Quad is reserved for people who really want to use Thunderbolt in the future. If you belong to that group, there really isn't a reason not to buy this motherboard. Actually, if you're planning on building a new PC with Thunderbolt it wouldn't make sense to choose anything else but Thunderbolt 2.0, and right now this ASUS board is the only option on the market.
A quick patch update to Windows can extend the useful life of a PC. To take the fear out of Upgrading Windows 98 to Windows XP, rely on this guide. - PCSTATS Tips