I am sure it probably is better. But I doubt that many systems would really require you to have it. A lot of people do it for show. If you have the money might as well show it.
AMD 64 3200+, Asus K8N-E Deluxe Mobo, Evga GeForce 6800 Video Card
1 GB Cosair Value Select RAM, 250 GB Seagate Baracuda HD
RaidMax Scorpio 668 Case w/ Aspire 520W PSU
Windows XP Home Edition SP2