OK, so it looks like it's this way:
Go for the Ruger if:
1. You'll be putting a lot of rounds through between cleanings, or you're lax about cleaning. And,
2. You aren't so much concerned with accuracy.
Go for the Buckmark if:
1. You intend to keep it clean, and
2. You want good accuracy.
As for me, I want the following from my guns:
1. Fun!
2. Customer Service (A lost commodity these days.)
3. Reasonable price (Haven't found any money trees.)
4. Accuracy (If it won't go where you point it, why bother?)
5. Reliability (Malfunctioning guns are not only frustrating but could be a safety hazard.)
6. Good looks (Sorry, but I just can't abide an ugly gun!)
So, since I try to keep my guns quite clean, and I've heard good things about their customer service, I chose the Browning. It's more accurate than my Marlin Model 60 rifles! Besides, the Ruger is butt-ugly! (And, I admit, I'm partial to Browning.)
I'm going to try an experiment: I'm going to keep track of how many rounds I put through my Buckmark and not clean it until I get to 2000, or it jams unmercifully, whichever comes first. We'll see how it does.