Hearthpwn

So I've hit that spot where I'm 8 epics and 5 legendaries away from finishing WOTG, and 1 Rare, 7 Epics, and 12 Legendaries from finishing Classic.

Here's my dilemma, I have not opened anything from TGT (only have 22 cards I crafted as needed).  I have both adventures, nothing from GVG or Naxx.  I don't plan to play wild unless I end up with enough dust to craft a good chunk of GVG and Naxx since I missed both of them (my fault for taking a year and a half off).  Amazon has an amazing deal right now with 25% off coins + 15% coin back (making 40 packs $49.99 with $750 coins back, bringing the total price down to essentially $0.75/pack not including tax).  I feel like this is a deal not to pass up (even if I just hold the coins at 25% off for the next adventure and expansion).

With the price being where it is, what is everyone's opinion on going ahead and trying to fill out my TGT collection?  If I do this, I'd be looking at spreading the packs as follows.  40 WOTG (try to finish filling in the epics without digging into dust), 40 Classic (just to fill in some golden possibly or accumulate dust if I ever decide to go ahead and craft GVG and play wild), 120-160 TGT packs and see where that puts me.

That would still leave me with about $250 in coins to use towards the next expansion/adventure.  If you were in this spot, what would you do?  The little voice in the back of my head says not to bother with TGT, but on the other hand, if I was to start playing wild say next year, I don't want to feel like I would have missed out.

Thanks, and lets keep the discussion friendly.