New, threaded GUI using wxWidgets.
New menus, for improved usability and faster configuration.
Convenient Memory Card editor.
On the fly pause and resume, perfectly stable, safe and fast.
On the fly setting switching and even plugin switching.
Powerful new configuration that is more user friendly with its first time wizard, reset to default buttons and a global presets system.
A plethora of new options that make playing games more fun!
All options have tooltips explaining what each of them do.
Comes translated, with many languages to select from.
Compatible with Aero Glass and Windows eye candy.
Looks and works great on Linux, too!
Entire emulation core has been overhauled. Many components are rewritten.
Countless code generation and runtime execution bugs fixed.
Added microVU, an improved VU0/VU1/COP2 recompiler.
New VIF recompiler
Multi-threaded GS rewrite: Faster and more stable than in 0.9.6.
Better BIOS splash screen skip method, better ELF support, host fs support.
New Game database detects the game you run, displays compatibility info, and auto applies special game fixes/patches if needed.
GSdx is faster, more stable and has more configuration options than ever before.
SPU2-X is the preferred SPU2 plugin now.
It has matured into almost completely emulating all the SPU2 quirks, making many more games work!
(And it sounds nice, too )