Mo, that's a tough choice. I'm facing the same about cutting down my 39 to field length, which for me is 18 or 20. I'll do it even to that classic. Good luck with that decision. Bet you get a few opinions here.
Brandon, welcome. I'll defer to the experts on that sticking problem. Please keep us posted.
Dries, welcome to the club, and to THR. (Best gun forum on the web, IMO.) Very glad you're finding value here. We've got so many knowledgeable folks in the house now ... Of course, I approve of your choice of A. Lots of folks like the C, and there's a lot to like. But if you like the birch stock (I do), the fore end cap option over the barrel band (Marlin seems to), and a lower price, the A is a fine option. I'll bet it shoots as good as a C (which is all that counts, really). And from my looking around, $330 is a fine price (especially without shipping; I paid nearly $360 for mine in town). Please keep us posted.
Smee, I'll have to leave your question to others. Don't know that gun. But it'd be great to post some pics if you can. I'm very intrigued by a 336 in .44 mag. Didn't even know they existed until recently. Are you looking to sell it, or just interested in what they're worth?
Bam, you scored. $250 for that AND an action job AND recoil pad AND Lyman. You are just racking up lately, eh? We need pics!
Marlinitis....there is no cure.
Truer words have never been spoken.