PC Upgrade King

My friend who I built a computer for has upgrade about 3-5 times this year. I build him a AMd 2700 XP originally and then he up to 3000 xp. That was at the end of last Year. Later on I did a Upgrade consisting of a AMD 64 3000, a new motherboard (Gigabyte k8nsp) and a video card. Last month he upgraded is ATI 9600 XT to a Nvidia 6600 with 256MB. Now in a week he will be upgrading to a AMD 64 3500 and new Gigabyte 939 motherboard. When will the upgrades stop.Must be nice to be able to do so.