When to break spellfire setFollow

Ok, so I recently changed guilds to a raiding guild, and its become clear to me that I'm going to get gear rather quickly. Last night was my first run and we did SSC. This dropped and I did not roll on it although I wondered if I should (guild rules require you to use it or pass). My primary reason for not rolling was that I did not want to break the set bonus for the spellfire set. So at this point I'm looking for guidance as to 1. when its prudent to break the set, and 2. whether I should have rolled (I'm more interested in the former, but if you know the answer to the latter, and its yes, please let me down easy.) Any advice is greatly appreciated.

If you can get ahold of it, it might be worth breaking for the new set from the Scourge Invasion.

I personally geared for the specific fights. Hell even in BT I would occasionally throw on my spellfire set just to see my spelldmg go even higher. That being said, with the new badge rewards pretty much everything comes out ahead of it.

they like the token system and how it panned out. With WotLK, Blizz will introduce new tokens to use as currency.