http://crave.cnet.co.uk/mobiles/0,39029453,49305256,00.htm

Hold on to your YouTube -- Adobe has confirmed that Flash Player 10.1 will come to the mobile version of Internet Explorer that's on Windows Phone 7 Series.

It won't be available on the first WinPhev phones, but Adobe's Mike Chambers wrote on his blog that Adobe and Microsoft are busy as beavers making it happen.

"I don't have an ETA or other specifics right now," said Chambers, "but it is something that both Adobe and Microsoft are working closely together on."

According to a post from an Adobe employee in the Adobe forums, the first Flash Player 10.1 phone running Windows Phone 7 will be the HTC HD2, which should please HD2 owners who have been waiting for official confirmation that the phone will get an upgrade from Windows Mobile 6.5.

Android lovers can also expect to see Flash Player 10.1, starting with the Motorola Milestone and the Google Nexus One, according to the same post. HTC Hero owners will have to stick with Flash Lite because of its weaker hardware specs.

We advise you wait for official confirmation outside the forums, however, before investing your hard-earned cash in an HD2, Milestone or Nexus One based on its future support for Flash.

But all this prompts the question -- how long till we get mobile versions of Flash ad blockers?

Sounds good to me.  Flash 10.1 is optimized to use dedicated hardware to minimize the strain on the CPU.  Should be nice and zippy with WP7 GPUs.

The biggest issue that I have heard with W7 is that it is a "start over" for Windows Mobile -- meaning that nothing from previous series is backward compatible.

Mike from Morgantown

Yep.  They are still going to be supporting WM6.5 for a while though.

This is one of the biggest issues with MS as a whole.  They have a lot of dependencies on their old code.  Windows in particular has been plagued by it.  In order to really do something new, they have to break with the old.  Toes will be stepped on, but hopefully it will be for the best.  Rumor has it that the next Windows will see a similar break.

Adobe have been bare slow when it comes to getting Flash out on mobile platforms. It was supposed to be coming out for webos during Feb, now it's the first half of 2010. :(

Will Zune HD get this? I don't know if browser on the Zune is W7 based...

I've heard a rumour that Microsoft has no plans on merging the Zune platform with the WinMo7 platform, so right now my 8-ball says "outlook dubious."

But from what I have heard,  it renders existing software  obsolete.

With mobile devices, this might not be that much of an issue. But for business, if you are telling them that all new computers new Windows and Office -- and that it won't work with existing platforms --  it could lead to big changes in business computer use.

Mike from Morgantown

Who has a WM6.1 phone.

Yes, all applications developed for WM will not be compatible with WP7.  They would need to be ported over.

Great news! I can't wait until I get my WP7!

That's an issue, really?? That's probably the best idea to come out of Microsoft to come out in a while. One of the biggest problem is Microsoft has always released new versions built upon old code and old foundations. That makes it quite difficult to make revolutionary changes to an OS. Everyone hated Windows Vista, but that paved the way for a kick ass Windows 7 built on Vista's kernel. 

As for anything being backwards compatibility, I don't really see it being an issue on Windows mobile phones. They didn't have a big enough market share and there weren't any large programs that business based their day to day operations on. People mostly used it for outlook exchange support and opening office files. Anything else was just a webapp that used IE Mobile. 

OP: I'm glad Flash is being added. IMO, Apple is making a mistake by ignoring flash. There are too many developers who know flash who they are ignoring. Something MS would have do in the past haha.