i've got a tat on each arm, and they're absolutely great. i love 'em. my wife loves 'em. heck, my parents even love them. i've only had 'em for about 3-4 years, but i don't regret it. i'll get more, when i can stop spending on knives. i'm gonna get a sleeve on my left arm next.
anyway, my point is, go for it! will this be your first? if so, my advice: don't cheap out. it's RARE (read: impossible) to get an excellent tattoo for not a lot of money, so be prepared to pay properly, and shop around no matter what!!
as for a design, maybe you could commission (or beg) a knife maker on here to come up with a swell design for you, perhaps in their free time? then, if you find a good artist, they may be able to add some embellishments or improvements.
abe m.