I was reading the Predy treat: http://www.teamliquid.net/forum/viewmessage.php?topic_id=270769 and I tried some MECH TvP.
I find out blink stalker are so annoying for a mech player. With their observer they can blink into your base and retreat. And its never fun to unsiege your tank to defend your base.
At first, I thought with a turretwall around my cliff I would stop the observer but no. The range of the turret is 7 and the observer's vision is 9. So even with the range upgrade Hi-sec auto tracking(give+1 range) you wont stop the observer.
http://imageshack.us/photo/my-images/824/blinkturret.jpg
PLEASE BLIZZARD GIVE +2 RANGE TO THE HI-SEC AUTO-TRACKING
I discovers two way to instatly kill the observer before he gives the vision.
1. First one is to have a thors ready. Thors have 10 range and kill observer in one shot. Probably in a real game, you'll see his stalker army coming with your sensor tower and you bring one thors with a medivac to your turretwall. (maybe you can use this medivac for hellion drop or thors drop later). With a thors in your base you can also stop warp prism and zealot-DT drop.
2. Use vickings. They have 9 range and kill observers in 3 shots. More risky than a thors but more mobil.
I know MECH is difficult but I hope Terran players will start to think in a new way how to use MECH in this matchup.
 EPT
EPT 
	

 
 




