I've found the official Intel-based emulator images (2.3+ only) plenty fast. Details here[0] but the tl;dr is:
* Open SDK manager, install Intel image for your preferred SDK version and the "Intel Hardware Accelerated Execution Manager" from the Extras section
* Find the HAXM installer in SDK/extras and run
* Create Intel-based AVD
[0] https://developer.android.com/tools/devices/emulator.html