ScreenVirtuoso is available in two editions: Standard and PRO.
The following table highlights the differences between the Standard and PRO editions:

Feature PRO Standard Tour
Screen Area Selection (rectangle, window, show selection)
Video Setup (file name, video compressor, frame rate, and more)
Multiple Video Codecs (popular XviD, DivX, and more)
Audio Setup (audio device, audio input, audio compressor, and more)
Multiple Audio Codecs (MP3, Windows Media Audio, ADPCM and more)
Control Panel (helps to control recording)
Overlays Disabling (to record videos from Internet or Media Player)
Area Moving (can change a screen area position during the recording)
Performance Test (tests the recording speed in real FPS)
Pause/Resume Commands (to pause/resume the recording)
Hotkeys (save your time by using hotkeys)
Video Annotation (annotate your videos by the text/images)
FM Screen Capture Codec (lossless codec for demonstrations/tutorials)
AVI re-compression (to change the AVI compression
Start/Stop Timer
Monolithic Architecture (no instatallation required)
Multiple Monitor Support
FLV/SWF Converter (publish your videos on the Web as FLASH movies)
MPEG Converter ( MPEG 1/2/4, VCD/SVCD/DVD compatible formats)
WMV Converter (alternative method to publish video on the Web)
File Merging (AVI, MPEG, WMV to AVI )
Changing Frame Rate, Width, Height
Command Line Interface
Customizable Interface (add/remove toolbar buttons, and more)
Context Help (local/online help, tooltips, tip of the day, and more )
Bugs Report Automation (only few clicks to send a bug report)