For work I use a DELL Latitude D630 with dock station and Win XP professional.
Private I built a PC with a ASUS M2N-DH motherboard, AMD 64 Athlon X2-5000 CPU, 4Gb RAM, 1, 320Gb HDD and 1, 200Gb HDD for the system and Soundblaster bla bla bla.
Private I use Vista Home Premium 64bit, its no problem if you know where to get the drivers.
SAAB 9-5 2.0T BSR1, Volvo 855 GLE
Suzuki Marauder VZ800, Honda 480R
Honda NS 125 R2, Suzuki RM 80
Pocketbike, And some other toys.