Boyle is capable of playing far better than he has so far this season, as are just about every single player on the roster.
I wouldn't trade him until Miller has proven himself over a long, long period of time. Even then, I think he'd be a fine defensive forward for the bottom 6.
People want to trade Gaborik, Richards, Boyle...I bet if Nash didn't just get here, people would want his head too. Nobody is playing up to their potential because the team isn't in sync. It's clear as day. Now is not the time to trade players based on their 10 game performance.