Dropping Eng. - Replace w/JCing or Enchanting?

http://www.wowhead.com/?item=40767

I made two of them and have them both as trinkets until I get the defense trinket...if i need it, if not ill take the 162 stamina FTW. I made my goggles at 74 and havent looked back, with the def meta gem and a yellow def gem I'm very happy. Yea Engineering is expensive to level but I think each profession has its drawbacks. I was thinking of dropping mining for BS until I saw how much bars cost and how happy i am to make my own for the titansteel stuff. To each his own i guess. An yes the http://www.wowhead.com/?item=41121
will be fun PvP. Havent done many BG's Im 79 and trying to hit 80 by the weekend then Ill have some PvP fun time =)
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Along the same lines... I'm Engineering / Alchemy myself. I don't have the gathering skills to level them properly without spending a lot in the AH. I know i want to drop at least one of the professions and either level mining or herbalism to go with it. But I am going to be a raid tank and the benefits of dropping both skills and leveling up mining and blacksmithing seems good. What do you guys think i should do? I need a 3rd opinion as this is wreaking my brain...
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Senamin 70 Dwarf Paladin - Smolderthorn - http://www.wowarmory.com/character-sheet.xml?r=Smolderthorn&n=Senamin

I picked up Engi on my pally back when it was still an alt in BC. Being that it wasn't going to be a raiding toon I wanted the best crafted gear I could get. Had a couple of guildies drag me into a heroic in my late 60's, got my nether and had myself the best helm until t6.

I don't have mining and spent a ridiculous amount of gold leveling Engineering for the helm and being that it was a sidegrade to the t7, I've passed up on it for other guildies. Now that I have a t7.5 helm that I really can't justify not upgrading to, I think I'm going to drop Engi and pick up JCing. The benefits of JC outweigh the benefits of Engi by far at this point being that without the goggles I have a useless profession. I have considered blacksmithing, but being that I already have a rogue with it I'd rather not level it again. I know the sockets are great, but for the amount of money it'll cost to level I want some other perks as well that aren't duplicated by another one of my characters.

At present the BoP gems and trinkets are excellent and I aim to excel in current content. I change with the game and make adjustments to make myself the best that I can be in the situations given. That said, I think it's silly to hold onto a profession that maybe-could-possibly-kinda be more beneficial in the future. If it turns out that JC becomes useless to me and Engi is the profession to have, I'll be one of the first leveling it. Until then, bye-bye goggles.
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