I am not deciding for anyone, just saying that people that have paid out the money for a high end system will probably use it for more than just xbmc. That is unless they have money to throw around, which most people don't.
HTPC: Motherboard: Asus F2A85-V, CPU: AMD A10 6800K, RAM: Kingston XMP BEAST 16GB, Samsung 840 EVO 250GB, LG CH12NS30 Blu-Ray drive, Samsung, and WD various 2 and 3TB for storage, Windows 8.1, one for all remote/FLIRC, Logitech z906 surround system.