We haven't heard anything about changes to those areas, no. It is pretty weird that they're just sort of... there. They're probably intended to give PvP-centric players something PvPish to do while leveling up, but I don't know if they've really served that purpose or not. That's something Blizzard would need to comment on, and... I'm not Blizzard. Unfortunately.
"Is there a really knowledgeable go-to blog for Rogues? Kinda like BigRedKitty was for Hunters?"
Most of the Rogues I know just do the ElitistJerks thing. As was mentioned in the comments yesterday, ShadowPanther.net is great for figuring out gear. Forever a Noob updates very frequently with good information, though it may not be as bleeding edge as you want. Or heck, it might be right on. Who knows? It depends on what you're looking for. There's also the general melee blog, Big Hit Box.
There are plenty of Rogue blogs out there (and I probably read most of them for The Daily Quest and such), but I don't know if there are any truly comprehensive ones. You'll probably need to follow multiple blogs (which is pretty easy with Google Reader), or bury your nose in the EJ forums. If you readers have any suggestions for hergen, feel free to link your favorite Rogue blog in the comments below. Please, though, keep the links clean. Don't link to anything we wouldn't link to, please.
"If I use a main hand and an offhand weapon, like fist weapons, will they have the same drawbacks as dual wielding 2 one hand weapons, such as 50% damage, increased miss rate, etc, or will they deal the written amount of damage?"
There is absolutely no difference whatsoever. There are various reasons for labeling things Main Hand only or Off Hand only such as preventing you from dual wielding them, art restrictions, trying to get them into the hands of the intended classes for their intended purpose (Thunderfury), that sort of thing, but there's no real mechanical difference. Dual Wielding, no matter what weapons you're Dual Wielding, have the same penalties which are only augmented via talents. For example, Dual Wield Specialization!
If there were a significant penalty for using One Hand weapons, you would never see people using them unless they were the only weapons available.
"Is WoW.com looking for more writers? and if so, how can i get my foot in the door?"
Right now, we're not looking for new writers, no. Our staff is pretty well rounded right now, we'd like to think. If you look at the bar to the right that includes a list of our entire staff, we already have a lot more contributors than you'll find at most blogs.
Whenever we do need to look for more writers to fill gaps somewhere, we usually look to WoW blog-o-sphere for already established writers. As with most jobs, people with experience doing what we need will get a first grab at the position. Luckily, it's easy to get blogging experience, unlike... lawyer experience, or something like that. Start a blog. Head over to Blogspot or set yourself up a simple Wordpress blog, and write. Try to write daily. Be interesting, be informed, and be yourself. When we put out a call for writers (or just plain invite someone to join the team), if you're already an established blogger, your chances of being brought on the team go up dramatically.
Have questions about the World of Warcraft? The WoW.com crew is here with The Queue, our daily Q&A column! Leave your questions in the comments and we'll do our best to answer 'em!