Feel is important, find the gun you want to get by reading reviews and then go to the vendor web site and find the nearest dealer closest to you. I have only bought 1 gun online a used FL from Gunbroker.com, it was an excellent deal (paid 300 shipped to me for a $550 gun). Cabelas is a great place to shop, but they have limited selection, sorta mainstream stuff. Track of the Wolf, RMC Sports have more and better ML selection. You can also get a good used gun at:
http://www.williamsgunsight.com/gunsights/813usedblkpowderguns.htm

they will ship you a BP gun and you can try it for 3 days even shoot it, but must return it cleaned and you pay shipping if you don't want it. They have a couple of Caplock MLers for $119 and $149 that are Thompson Centers. TC is an excellent brand of rifle with a lifetime warranty, if you buy it and something is wrong with it, you send it back in to them (you pay ship) and they fix it, no questions asked and ship it back to you. My hammer on my Omega wouldn't hold back, so I sent it in right after Christmas, and got it back first week of March, it was about 2 months but I got a completely new trigger assembly a new breech plug. I shot the gun last weekend and my results are on the forum here:
http://www.huntingnet.com/forum/tm.aspx?m=2100766

So I recommend TC highly, but they are expensive, compared to other guns. You can't go wrong with any of the TC line, the Triumph is one beautiful gun:

http://www.tcarms.com/firearms/triumph.php

So you can buy middle of the line---NEF, CVA, etc but top of the line is TC and close behind it is Knight. Use to be other way around about 8 to 10 years ago. Anyway those are my likes. I recommend you handle one that your going to buy, like a friend's or something like that.
Chap Gleason