That one on the floor, is my grandpa's I need to give back to him. The sony I don't use that often, matter of fact i haven't used it for a long time. I basically use the custom computer which supports dual monitors.
Desktop -- P4 3.2 Ghz + Asus mobo + 1.5 GB ram DDR + 250GB HDD + ATI x700 (time to upgrade)
Laptop --White MacBook 13" Core 2 Duo 2GHz/ 2gb ram / 500gb / Dual boot