Yeah, I know it all comes down to personal prefference sooner or later. I had to tape my eyes open to watch through Witch Hunter Robin. It wasn't too bad exactly, just it didn't capture my attention really. My eyes kept wandering off the screen a lot

.
Same with Ruroni Kenshin and Inuyasha anime series. The first couple arcs were very well done, kept true the original story for the most part. Had great animations, great music and so on. Then they both got

the further it went on.