I didn't really care for the Montana's grip, but I didn't really hate it either. It felt kinda square and 'boxy', but after a few shots I learned that I could put that edge down the lifeline in my palm and it made for a pretty consistent grip. I guess you'd have to file it under personal preference. They might have even changed the grip by now, because I haven't shot one in several years.

I'd go with the Samick Viper over the Martin Stick. Nothing really wrong with the Stick, if you like that style bow, but I'd prefer the Viper. It's a very good bow for the money. If it was me and I had a little extra cash, I'd spring for the Viper Delux instead of the plain Viper. Nicer looking and the one I shot felt a little smoother than the plain one.

Keep an eye open on the classifieds. You can often find some really nice, barely shot custom longbows for around $300 on the second hand market.

Keep in mind that your draw length will likely be 1-2" shorter with a longbow than it is with a compound.