I can give a few thoughts on these with the one exception of Get Backers.. (which i myself would like to learn more about.
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Samurai Deeper Kyo --- Demon eyes is no Kenshin. This was ok if you are a big samurai fan like myself, but it is more 'edgy' than kenshin. (fanservice).
Excel Saga --- a crazy anime, love that space butler. its funny, and strange and if you know a lot about Anime, Manga and some video games you will be able to pick up more on the jokes... (i didn't know too much but it was still fun.)
RaXpheon --- RahXephon (if thats what you meant) is a very good mecha / action / drama some would say it has similarities to NGE. yet not as controversial
Get Backers --- i would like to know.
Full Metal Panic --- i was intrested in this show myself but only have the first dvd, i did enjoy it and i plan to get the rest someday.
Vamper Hunter D --- the first movie is dated (but i guess you should know your anime "roots") the second movie Bloodlust is better in my opinion.
Berserk --- ok, gore and some questionable characters... prolly not what you are looking for i would bet.
Grave of the Fireflies --- a movie, movie... its deeper and with a message i guess... not really as fun??? but worth seeing for sure.
Serial Experiments Lain --- strange. i got the first two dvds and rented the rest, its strange and even after its over i still find it strange. i would prefer other of the listed animes better.
Ninja Scroll --- (if this is the movie) then i can say it is inappropriate at many times.
We are saved by grace thru faith, not of works... "keep on fighting for grace"