i don't see anything wrong with the current model. it does the job perfectly. why change something that is not broken?

I would like to see them make L2 and R2 a bit more ergonomical. A simply finger fitting concave curve design which stops the finger slipping so easily, would be great.

Exactly, except with handles and Dualshock sized buttons/analogs, since it will be a streaming controller and not need to fit in a pocket or leave the house. My picture obviously is hideous and I'm sure some engineers could do a much better job. Providing a touchscreen controller is an intrigate part in creating a multiplat environment with the Wii U (and I guess SmartGlass though I have strong reservations on its comparible use to Wii U). It also provides a transferable platform for PS Mobile games and apps, between Vita, Xperia, HTC, Sony Tablets, and PS4. The Vita will be a PS4 controller but it won't have the battery life of a streaming controller, but all of the functions will be available on both the DS4 and the Vita.

Providing better triggers, tweeking the analogs, updating the D-pad a little all comes into play aswell. It will be interesting to see what they got for DS4, but I'd bet a touchscreen set up is part of it.

EDIT: Oh and just using the Vita isn't an viable option. First of all battery life, second price, third people are going to want 4 triggers and clickable analogs, and fourth Vita's are tied to accounts and that will just make things messy in larger quantities.

You should work for Sony, Chark.

  is it?

Ahem! Adult here, I like the size as is. I'd say I have medium hands, so perhaps those with massive dinnerplate-sized hands with huge sausage fingers might experience problems to which I can't relate. So I won't say don't make it bigger, but I would say there's probably only a minority of adults for whom the controller is objectively too small.

As I'm used to PS sized controllers I find 360 controllers to look rather monstrous and unweildy. But I've never used one so I can't say that they are monstrous and unwieldy.

I'm trying, lol. (serious, creating a social media internship right now so I can jump ship to California and follow the dream) Got any ins?

Making the PS Move the standard controller would be the best.

But failing that, they should make it larger, more curved, improve the D-pad and triggers, put textures on the analogs to avoid slippage, and improve the accuracy (and use of) Six Axis.