i played the ninja gaiden 2 demo just recently, its pretty long(for a demo of an action game), but there isn't a boss in the demo unfortunatley.
played through the entire thing using the scythe, and surprisingly, its not that hard to use (unlike nearly every non dragon sword weapon in the first game), and cutting people into pieces with a scythe is just fucking awesome.
the camera still sucks, and the demo lacked anything other than the "easy" difficulty so it was piss easy, but it was fun. the new "dash" thing you have instead of roll works ok, i can still "dash jump dash jump dash jump" rather than what i do in the original game "roll jump roll jump, ect" so i guess it works out fine. i mean, who the fuck really "runs" everywhere, dash jumping everywhere is faster, and saves your ass in combat.
ANYWAY, ill be going through it will all 4 weapons they give you. also, from what ive played (im assuming its the first level, on the easiest difficulty setting) i can't really see it being "hard"(note from what ive played), your health refils after every fight, save points heal you(when you take damage, your max health goes down in a red bar, and save points and blue orbs heal that) and are EVERYWHERE, and from what ive heard, you can restart boss fights FROM THE START OF THE BOSS FIGHT, so i mean, yea. anyway, i will buy this eventually, maby rent it and beat it, but i need to own this game, its fuckin' ninja gaiden.
ohh, and if you thought the first game was bloody, this game is like that, only 10x more gore, and dismemberment. fits the game nicely.
BLA BLA BLA, download the demo and play it, its a good way to spend 20 minutes.
AND FINALLY TO NOTE, i did beat the original ninja gaiden on the normal difficulty(hard isn't fun, rather than running around like a mad man its more like "well im going to play REALLY FUCKING DEFENSIVE till i find an opening, attack, and wait for another opening" this aint monster hunter) setting on the xbox. it was a kickass game, and i am more than half way through the game again on my second run (on the 360's hdd rather than the regular xboxes hdd)
*edit*
do y'all think i turn into bobbias when i talk about the vidya? because ive been noticing tldr after tldr from me. like read most of my posts in the WoW thread, if theres a vidya i like, i can ramble on and on about it.
*ADDING TO THE TLDR DONT MIND ME*
Ironbreaker