It's only a bit over a half a foot long... it'd make a nice display piece, but with that size I can't really see how weight matters. Unless, of course, you're about 1/8 the size of the average person and plan on using it for cosplay. Nice, but I can't see myself buying any of the miniature weapon reproductions they've released along with it (Kingdom Key, Seifer and Squall's Gunblades, Vincent's Cerberus...)
Wow, how many Final Fantasies does that make now? I can't even keep up anymore.