My X1000 daily for email, web browsing, listen to music, NG gaming, messing with SketchBlock, messing around endlessly with workbench etc.
My A1200, 1-3X per week, mainly for gaming for my kids and of course myself lol
MyA4000, 2-3X per week, still getting her setup just the way I like, she's my demo machine and messing with music & Lightwave.
My A1200T, my hacking machine always adding more & struggling to keep her stable
My A1000, turned on daily to keep her happy & me too