Thanks! Yeah, I've been looking at some of the information about the new rares and how to go about taming them. I do like that they're making the search for rare pets more like an actual "hunt" now -- that you have to track them down rather than just wait for them to show up somewhere.
I dinged 90 a couple days ago and had the cash on hand to purchase Pandaria flying, so I'm about to embark on some hunts within the next little while. Definitely want to get Savage if I can find him, and maybe Portent if I can come across the blue skin. I'd also like to try and get Furyshell if I can somehow convince everyone not to just outright kill it on me.
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UPDATE!
After a couple days away due to other obligations, I've just been on my first hunt for a Pandaria rare. Went after Savage today, and after losing the trail at the river and then picking it up again on the other side -- and going in the other direction -- I knew I was on top of him. I popped a flare and watched as he appeared ... and then promptly disappeared, as he was right on the edge of the flare. ARGH.
After beating a few of the red tigers away, I had to briefly re-find the trail. It took a bit of time, but soon I was following him again, and quickly caught up. Throwing another flare, I was able to mark him then -- only to be aggroed by another tiger. I sent my Loque to deal with it while I kept my sights on Savage, then dismissed Loque when his work was done. Quickly, I began the tame, only to watch Savage step outside maximum range on tame just as it was about to tick over.
I ran up and engaged the tame again from right next to him, and ...

WHEE! I have to say, I love this new style of rare hunt. It's pretty exhilarating to have to actually track your quarry in the bush, and it makes the reward all the sweeter.
Next, I headed out to the Timeless Isle for the first time, on the lookout for Furyshell the turtle. Seems everybody wanted a piece of him this evening, as the beach was full of people killing his friends to make him show up. I ran up and down the beach skinning the killed turtles in an attempt to have him spawn faster, but he appeared and died three times because someone else was closer. I was worried he'd be a hard tame because of the possibility of loot, but I never expected to see him bite it so many times.
Then, suddenly, a second Furyshell spawned just as the previous one died. I rushed in immediately, confident that the rest of the people in the area were sated from the death of the previous one. I began the tame and ...

This tame was harrowing! This is a neat way to spawn rares, although I know it was lucky that I grabbed him within a couple hours. It wouldn't have surprised me if I'd been out there for days waiting for enough of a lull in the traffic to look for him.
Side note, I also managed to get the mail shoulder token from the first lockbox I opened on the island! I also had a ring, bracers and a neck slot item for myself by the time I was done. My random numbers came up lucky tonight.
Next stop, Portent! Hopefully I can find the blue one.