This is interesting, because when I first bought the 770 [not long after it came out], I remember thinking if all it can do well is surff the web I would be happy. It does, and over time, so much more than that. With the ever growing applications, latest OS version, and unique collaborations with companies like Google, Discovery, Mp3Tunes and SimpleCenter, the options available are astounding. It really has become more of a mobile PC than when it first showed up on the scene. I think that is going to be the major difference between the 770 and the Mylo. The 770 has shown that it can become more than what it started as. It is still too early to say, but I think the Mylo was designed to do specific tasks that will eventually limit its growth.

Let me quote Spinoza...
 

...when he said: Many errors, of a truth, consist merely in the application of the wrong names of things. A UMPC by any othername.

I just tried the Mylo at a SonyStyle store. It's worthless for surfing. The screen resolution doesn't allow for reasonable viewing of web pages. The wifi is also slow.

http://www.pocketables.net/2006/09/sony_mylo_previ.html

I've already seen someone using a MYLO. Outside of last year's Nokia shindig and their store, I've not seen any 770s about. You?

I've only ever seen one other person with a 770.

I'm not surprised the mylo would have more users. IM'ing is huge. But that doesn't mean the Mylo is a competitor to the 770 (or vice-versa, for that matter).

Agreed, 770 has and will continue to evolve into a good mobile computing device.

I didn't think there was a direct collaboration with Simplecenter? Although Nokia developed a uPnP client for 770, it can be used with uPnP servers other than SimpleCenter, but there was no direct collaboration? Am I wrong? Do you have a link, a press release, that I missed?

Maybe not a direct collaboration, but from the way it was presented from the Tableteer website, SimpleCenter was the only option given. I'm pretty sure they only did this to not confuse non-hardcore users of the 770 with the variety of UPnP server options. So, maybe it's not a collaboration, but it seemed that way at the time I posted the comment. :)

For the sake of accuracy, the Mylo does have a few minor points where it beats the 770.

1) The aforementioned keyboard - any way you look at it, it's going to come in handy.
2) It can be charged through the USB - more convenient.
3) 1 gig of built-in flash memory
4) Even if it only supports MPEG-4 videos, it's a good bet that the videos can be bigger and playback smoother than on the 770.

But of course, these points are minor compared to the huge drawbacks - small screen, only Sony's closed propietary apps, etc. (remarkably, BTW, the mylo has no regular audio jack. You need the special cable that comes with the device, which doubles as the audio-in. But if you forget or lose the special cable: no more headset or any sort of audio out! Unbelievable.)

I think that's one area where the 770 has been it's own undoing - - it's screensize. Remarkably, a 320x200 device can play video smoother than an 800x480 device.

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N770 video chip can do pixel doubling, 320x240 video is scaled to 640x480 at no cost. Both default player and mplayer use this feature.