many of the best SciFis have nothing to do with battles and destruction. I strongly suggest you read a good sampling of what been written, including some of the classics (Left Hand of Darkenss; Rendevouz with Rama; The Foundation Trilogy) before you write.
the violence part is the easy part to me , watch the old movies jackie chan was in he's fighting will spark off some neat battles in ur mind
Make it sciencey...And fictiony...
Sure offer your feedback on this <a href="http://www.experienceproject.com/stories/Write-Short-Stories/2944107" target="ep_blank">EP Link</a> and I'll be glad to help
Write about a country that was once a super power but has slowly elimated its middle class and is run by the rich who are afraid they will be overrun by the poor......wait......hmmm
and once his story gets successful ul sue him cuz it was ur idea