There is demand for a kick ass 4" phone with a 5 row slide out keyboard but it seems that OEM's are stepping away from this form factor. From T-Mobile subscriber's perspective it's already hard to get a high end phone, asking for a high end phone with a physical keyboard seems impossible to come true.
Correct me if I'm wrong but I still haven't seen a dual core phone with a physical keyboard while there are many without. While the Verizon's Droids and to an extent, the G-series seem to be on the right path, they don't quite get it done. Too bad because it looks like high end hardware and physical keyboard are mutually exclusive without a reason.
What the market lacks is a new top notch hardware introducing phone that has a keyboard but that appears to be reserved for touch screen only. Consumers keep hoping for one but time after time, sliders are equipped with mediocre specs. I think it's very doable and OEM's could try "stretching" the batteries length and width-wise to make up for the added bulk of a slide out keyboard.
While I have moved onto touchscreens, I recognize the demand for a slider and would definitely consider one if it was truly a kick ass phone but considering what I wrote in the paragraphs above, I doubt it.
My only experience with 4.3" phones so far was about 30 minutes with a Droid X which was definitely too big for my taste. The Pyramid does at least look a little slimmer, so not sure if that would help.
I can grip a basketball with one hand, I have no problems with 4.3" phones. I got some hands on time with a friend's Droid X.
That phone has a 1.7777 display ratio, true 16:9, it's about 1/2" longer than my HD2 (1.6666). The Droid X, on top of it's "long" display has too much bezel below the screen. Even my "giant" hand has issues holding it and pulling down the notification bar with my thumb. Granted, the Pyramid doesn't appear to have this problem because of less vertical bezel but for the average user, it's something to try before buying. Don't expect the Pyramid to be thinner than the Droid X, maybe a little, the Droid X is already a thin phone as it is. There are thinner phones but none with a 4.3" display.
We do not know if the Pyramid will even go to T-Mobile yet or if it will even be able to do what the G2X can. Why wait for that time and be sad if it doesn't when the G2X will be out in a week and we know how fast it really is right now.
Not sure with what you mean by "be able to do what the G2X can" and "why wait for that time and be sad if doesn't"
If one waits for the Pyramid and it doesn't come to T-Mobile, why does one have to be sad? It's not like the G2X will stop selling by then, can always buy it anyway. As for performance, Pyramid should be better than the G2X. However, because of their differences, they aren't directly competing with each other even though we are comparing them since they are the best we are likely getting until fall at least.