It's an interesting turn of events when Microsoft promotes their new product, which is obviously geared to beat the iPad but takes on a different opponent, this time the Mac Book Air.
We have Surface Pro 3's where I work, and like many have pointed they do a half assed job. They hare mediocre laptops and mediocre Windows Tablet. They are not terrible and awful.
Objectively I like the concept, I thought the first time I saw the Surface's keyboard that it was a brilliant peripheral. But even with the iPad being the tablet it is, I rarely use mine with a keyboard. I go gung ho and use the soft-keyboard on mine...
Coming from an industry where we have a ton of artists on our company, (I work for a huge TV network), that not even the most expert of them would want to use Photoshop on a Tablet to do their work. You dont really use Photoshop on a Tablet not even to retouch, because the color palette doesnt translate that well on such screens. But then again, the MacBook Air runs Photoshop better than most machines do.
I think as usual, Microsoft is going for the dumb sucker customer who doesnt really know anything about the real benefits of having a certain type of computer or tablet for that matter.
The Surface Pro 3 is far from replacing my tablet in any case, even my unused Nexus 7 is more useful than the Surface Pro 3 as a tablet. I think the more we visualize the Surface Pro 3 as the evolution of the laptop we are all fine. Other laptop manufacturers (apple included) need to pay attention to it, because even if it does a half assed job as a laptop, its modularity is in the right direction...
Now if it only ran OSX.
I don't think they're targeting pros similar to guys you mentioned - PS is used here as a placeholder for a power hungry app - it's like a message "if PS works on it anything will"
I personally like the idea of Surface and I'm considering switching from my Macbook Pro - I started working in the Windows environment, need to use the Office on daily basis along with all the windows software but don't want to use a regular (boring) laptop. Want to watch movies on a tablet-like flat device without huge keyboard sticking on the bottom. Ipad is too small for this - 12 inches device with a USB port sounds just perfect.