I was a little against the BoP --> BoE trend to start with, but after thinking about it...would you rather have it be BoP and you make it once and that's it, you win the tradeskill, and you're stuck with one you don't use much so you can keep the item equiped...or would you rather it be BoE and you can make more to sell too? The item will be the same either way...so...I don't really see a catch. The only loss is the percieved exclusivity / accomplishment of obtaining the ultimate super-epic crafter-only item.

Factory method has its draws. But there's titansteel, cloths, transmutes, etc...we'll have to wait, really, to see whether one is markedly more profitable. For now I think it might be best to diversify. You can still pick up any BoP recipe you come across (minus one tradeskill on a 5-box since there are now 11), and you have a variety of mutes until we have a firm trend showing which (if any) gives us the best economic leverage. Drawback is that you may eventually want to re-level a bunch of tradeskills at great cost of time and gold.

I plan to distribute my gathering skills to offset this (incl. "disenchanting"), leaving each with one slot "free." Using a Pal + 4xSha team, so inscription on the pally for cheap glyph access and Scrolls of Recall so the whole team can hearth every 20 minutes. Also mining since the tank can make the best use of the extra health, such as it is. Probably skinning on the one fated to be a resto...extra crit is fun for lightning bolts, but also fun on the healer, and it keeps things nice and symmetric.