The producers say don't give up on jate so I'm not, but I hope something happens soon.
This episode is called "Not in Portland" and it's supposed to be Juliet Centric.
01/30 - You see that Kate does have very strong feelings for Jack. And they are sorta kinda displayed in front of Sawyer. Source: Kristin on E!Online
If you want more and also more in depth spoilers go to http://www.spoilerfix.com.
I can't wait to see what happens, comment if you can't either.