As the TIE/D is my favorite TIE fighter Shadowjack, allow me to redirect your rage to a more fitting target. Look at the TIE Hunter.
S-Foils. Lasers. Ions. Shields. Hyperdrive. "Fastest TIE in the fleet". A cloaking device. Used by an elite group of super-secret ultra-elite Imperial Commandoes nobody's heard of before. Flown by Wedge and the Rogues on a super-daring super secret mission, who just happened to steal a group of these ultra-rare fighters and destroy a super star destroyer with them. If there was ever a Mary-Sue spacefighter in all of Star Wars, this would be the highest contender. It's got every conventional weapon plus Hyperdrive and shields, and a cloaking device, and it's got nifty S-Foils too!! Plus how can't you be excited with a fighter craft called the Tie Hunter! Sounds awesome doesn't it?
Perhaps because of my upbringing with TIE Fighter I can accept the TIE Defender without thinking it goes over the top. It's not immune to missiles and isn't as gimmick-laden as you might be presuming. You're also forced to fight them with inferior fighters and the fact that you can beat them puts a dent in some presumptions of being a pure Mary-Sue fighter. Personally I think it is the most beautiful TIE fighter in all of Star Wars because of the tri-symmetry and balance between pannels and body. I can accept it as the result of the Imperial budget poured into one fighter and I can't wait to bring one on to the table. I don't mind if I'm forced to fight rebel ships in a ratio similar to the way TIE/Lns are to X-Wings now.
Plus the TIE/D at least shows some originality in it's design while still being a TIE fighter. This is unlike some of the craptastic designs from Starwars Battlegrounds like the TIE Interdictor, which is only an excercise in "Let's see how many TIE Pods we can cram together." Say what you will about it's stats and performance, but you have to say that the TIE/D has more original thought in how it looks than playing frankenstein with TIE Fighter parts in effort to make the coolest craft Evah.
Another great example of what I hate is the TIE Oppressor (There's a trend here isn't there… the more offensive the tone of the name, the more outrageous the fighter eh?). Take a TIE Advanced and cram on a few wings, give it a cool name, and unleash in into cannon. You ***** about the wing arrangement on the TIE/D Shadowjack, but where I think the TIE/D does it right and looks aestheticly pleasing, the TIE Oppressor does it exactly the way you say it does about the TIE/D. The Oppressor is amateur mash-up of parts to look the coolest it can.
But if you want more viritol, I hope we never see anything from the Yuzan-Vong. Call me a purist but I think the Organic technology buckaroo-bonzai derived spaceships don't have a place in the Star Wars universe. If I want creepy crawlies in space, I'd either play Starcraft or Warhammer 40K. I just hope if/when they appear, they don't introduce some bull mechanic that requires fighters I don't want to fly in order to defeat them.
And while I don't hate them, I hope FFG doesn't waste slots in future expansions on one-off spacecraft like the Virago or any of the Bounty Hunter craft. Not necessarily raging at their designs, but I want X-Wing to have more generic fighter craft for me to make my own stories with, not continually fighting the same stupid bounty hunter with his ultra rare custom spaceship.
I'm also hoping the Assault Gunboat is chosen over the Skipray Blastboat. The whole swinging wing thing doesn't do it as much for me as the elegant Lambda-derived imperial assault fighter from X-Wing.
I also feel great meh about the prequel fighters. None of them interest me as much as the TIE line does. I also feel Meh about the Old republic era as a whole.