android ide eclipse,Android Studio vs Eclipse IDE - Stack Overflow

There is a lot of info on both if you googled it. But the only way you'll know for sure is if you try it yourself and see what's better for you.

The emulator though will be the same for both platforms, so if the emulator is what's bugging you there won't be any improvement. For a faster emulator take a look at this question.

Also remember that Android Studio is still only in preview so there are lots of bugs that are being resolved every day. This video is a good preview of what to expect from Android Studio (now and in the future):

https://developers.google.com/live/shows/478404424