Honestly, I don't think he'll go to another NHL team. I have two theories dealing with Brunner
(1) he may have realized how much of a grind the NHL is, possibly may not want to play in a full 82 game season and will go back to the SEL.
(2) we're moving to the eastern conference. he's played his first shortened season of the NHL in the Western Conference. he found out how physical the NHL is, and may be a little scared (i'm not so sure, he's played pretty physical and would set up if needed in the SEL, IIRC). Throughout the season, and its general consensus that the Eastern Conference is more physical and bigger. With him hearing this non-stop throughout the season, he may evaluate his time within the Western Conference and it could possibly deter from from wanting to play in the Eastern Conference. Without having played any Eastern Conference teams this season, he is left in the dark.
Now, again, these are just two just.. weird theories that I developed and hold most likely zero substance. I hope he re-signs with him because I could see him turning into one heck of a player for us. With a solid summer of training, training camp, and pre-season he could come out swinging next season and be more a threat he already was.