I'm running FL Studio 6 on my Dell 630m (2GHz Pentium M/1GB RAM/60GB drive/XP SP2) and FL Studio 5 on my Dell Latitude CP (Pentium 233MMX/128MB RAM/60GB drive/Windows ME).
I could run FL 6 on the CP, but I'd lose a few sample players to the extra overhead.
... and, yes, I make music on...