Personally, I think that you SHOULD NOT HAVE SUBTITLES. All they do is detract from the actual video. Think of it this way: I'm sure you put a lot of effort into your video. Do you really want people glazing over some five-minute translated lyrics, or do you want them watching the hours of editing you slaved over? I assure you, both cannot be done at the same time; the brain, unless inflicted with a disorder, is not capable of devoting full attention to two subjects at the same time (which I just learned in Psychology! ^_^) So, the bottom line is this: Subtitles Bad. Video Good. Besides, you can always have two different versions, but if I were you, I'd actually post the one that's without subtitles.
Hey, if nothing else, you can always add a link to
www.animelyrics.com. That song's lyrics are on the site, with the translation (of course, you probably knew that; likely that's where you got your translation from in the first place, right?)
Anyway, that's my two cents. Hope that helped you! ^_^
As always, Farewell, Good Luck, and Happy AMV-ing!
- dj_ultima_the_great
(vs just emailing it to my friends). The song I used was Anna ni Issho Datta no ni (So Much Together, But) from Gundam Seed. In my vid I have the subtitles for the song on the bottom of the screen. Should I keep them or delete them. All input is appreciated. Thanks. 
