Go to the Help menu, then Information, then page over 2 or 3 tabs and you'll see the hour counter and a "% remaining" chart.
I'm averaging about 100 hrs a month! This thing is just too nice to leave off! Anyways, I'm sure my usage will go WAY up once football starts and I leave it on all day Sat/Sun.
But, we at least found out that the Lightware LX8 bulb should fit and its $389.
-Dave