Long Zheng has recorded some video walk-throughs of the new Windows Phone 7 emulator (build 6414) released yesterday. Actually, this is the unlocked emulator which shows other applications that will be included with the OS.
Right off the bat you’ll notice performance and responsiveness has been improved several folds. Although some of that might be attributed to improvements in hardware acceleration for the emulator itself, I’m sure for the most part this is also the result of the optimizations the team has been doing in the recent months.
You also get to hear some of the ringtones included in the emulator here: