Guardian, yo te dejo el mío. Es más potente de lo que parece, creeme y creo que el video ya salía comprimido pero de esto no me hagas mucho caso. Yo le grabé el Juego Machinarium completo a un compañero del trabajo para que se lo pasara.
http://www.zdsoft.com/screen-recorder/Features List:
Useful capture wizard.
Adaptive screen sharing component.
Easy to start/stop recording with a single mouse-click/hotkey-hit.
Easy to view recordings in the built-in media player.
Easy to manage recordings in the built-in file explorer.
Wide range support of PC games based on DirectX and OpenGL. High performance screen capture driver for legacy PC.
Fast real-time audio/video compression.
Good audio/video synchronization.
Customizable audio/video quality. Option to output uncompressed audio/video.
Options to capture selected view, entire desktop or game screen.
Option to capture from external device such as webcam.
Options to capture from speakers, microphone or external lines.
Option to mute capture.
AVI/WMV recording files.
BMP/PNG/JPG screenshot files.
Customizable hotkeys.
Sticky view selection box.
Tracking mouse cursor view.
Option to capture mouse cursor or not.
Option to keep original mouse cursor size or not.
Option to add mouse click effect or not.
Option to show recording indicator or frame rate in game