Originally Posted by xStructualDefect
i don't know to me power and prog metal are almost the same thing with the exception of some bands. bands like Sonata have a lot of prog elements post-Silence. Stratovarius in my opinion has some prog elements, i hear it a lot in Dreamscape. Symphony X sometimes with songs like Seven and Eve of Seduction. just a few of many examples. most people will probably disagree with me though.
Symphony X are really the only band you named that actually have prog elements.
Strato basically write the same (great) song over and over.