I follow Snodgrass's method on my 610. I tried the front of the wheel thing and it wouldn't cut straight. Using Alex's method it cuts straight. I find it easier to adjust the tracking than adjust for drift. Adjusting tracking allow the miter and other accessory to work as designed and provides good cuts with minimal fussing. The wheels are slightly crowned so blade placement on the wheel does effect the ability to cut straight. Play around with each method and see which works best for you.
David