My PC is about 10 months old I think now. And it still runs fine!
Windows Vista Ultimate x64 (yes I know, Vista + x64 = trouble)
Acer Aspire E700 (edition January 2007
)
Intel Core 2 Duo 6300 @ 1.86 GHz
2 x 320 GB HDD
2 GB RAM
nVidia GeForce 7500 LE (the weak
Windows Live Messenger 8.5 (oops, that's not a system spec I guess?)