Quick is relative. Still takes longer to reload the Marlin over the Ruger, about 3 times as long. The time it takes to load the tubes up is equal to the amount of time it takes to load the Ruger mags. At that point all you have to do it is pop the mags into the 10/22. With the Marlin you have to twist and pull the mag tube rod out, put the tube over the mag and let the rounds flow in, then re-insert the mag rod. By that time you could have fired 2-3 10/22 mags.
Accurate is relative. The 15-22 is a 2-3 MOA rifle at best (I own 2), even the PC model with the match chamber and the RRA 2-stage trigger. Both the 10/22 and Rem 597 are more accurate (See the American Rifleman test of tactical 22's from 2010). But the 15-22 is probably the most reliable .22 out there in my book. Great for speed competition also or as a tactical trainer.
