» Fri Dec 16, 2011 11:40 am
There's a few, but luckily you can dismiss and rehire them as much as you want - dismissing just causes them to return to where you found them.
Pros - they help fight for you, can carry items to act as a pack mule for you, and can often act as a distraction to enemies, making them a great tank if you're taking too much damage.
Cons - They tend to get in your way in doorways (but a quick Unrelenting Force shout teaches them not to), and you can easily kill them, especially with area of effect spells like fireball. They can also get in the way in fights (like if you're a caster that maintains distance and they're a warrior, they'll usually block your line of fire by running right into the fight). And if you let them fight too much for you it's possible to level up slower, since leveling offensive skills like two handed or destruction requires you to hit enemies and deal damage, while leveling heavy/light armor requires getting hit, which won't happen if the companion is getting hit instead. Also, just a personal thing, they often say repetitive phrases, and after a while I find it annoying.
For these reasons I prefer conjured assistants, but the pack mules can really be great for keeping you in the dungeons instead of always traveling to town. I often select a Housecarl to be my mule, so I can send them home once they're loaded with stuff and then they're waiting for me in town when I come back. They can't die from enemies hitting them, so that's nice, but be aware that if you accidentally kill them, they're dead for good. Try 'em out, see what you think, and if you don't like them they're easy to get rid of.