Screen video capture software for Windows and Linux

Some of them are among the best screen recording software available. Most of them are free.

XVidCap for Linux
http://xvidcap.sourceforge.net
http://en.wikipedia.org/wiki/XVidCap

recordMyDesktop for linux
http://recordmydesktop.sourceforge.net
http://en.wikipedia.org/wiki/RecordMyDesktop

Wink for linux and windows
http://www.debugmode.com/wink/


screentoaster
Free Online Screen Recorder
No installaton; java based
http://www.screentoaster.com


CamStudio: for windows
http://camstudio.org

VidShot Capturer 1.0 for Windows
http://www.geovid.com/VidShot_Capturer/

Screen2Exe 3.0 for Windows
http://www.screen-record.com/screen2exe.htm
http://download.cnet.com/Screen2Exe/3000-13631_4-10673120.html

Microsoft Expression Studio EncoderPro for Windows
http://www.microsoft.com/expression/products/EncoderPro_Overview.aspx

Sony Digital Camcorder HDR CX500V vs HDR CX550V; A comparison of technical specifications and price

The technical differences between Sony HDR CX500V and CX550V as compared to the price difference.

CX500V	CX550V
35mm Equivalent : 43 - 516mm (16:9), 52 - 624mm (4:3)	35mm Equivalent : Photo: 28.7 - 287mm (16:9), 26.3 - 263mm (4:3); Movie: 29.8 - 298mm (16:9), 36.5 - 365mm (4:3)
Optical Zoom : 12x	Optical Zoom : 10x
Digital Zoom : 150x	Digital Zoom : 120x
Shutter Speed : Scene Selection, 1/8-1/725; STD, 1/60-1/725	Shutter Speed : Scene Selection, 1/8-1/1500; STD, 1/60-1/1500; LOW LUX, 1/30-1/1500; Smooth Slow Rec., 1/240-1/1500
Focal Distance : 5.5 - 66.0mm	Focal Distance : 3.8 - 38.0mm
Minimum Illumination : STD, 11 lux (1/60 Shutter Speed); LOW LUX, 3 lux (Auto Slow Shutter ON, 1/30 Shutter Speed)	Minimum Illumination : STD 11 lux@1/60 Shutter Speed LOW LUX 3 lux@1/30 Shutter Speed Nightshot 0 lux@1/60 shutter speed
LCD Screen : 3.0" wide touch panel3Clear Photo Plus LCD display (230k pixels)	LCD Screen : 3.5” Xtra Fine LCD™ display (921K)3 w/TruBlack™ technology Viewfinder : Wide (color 201k)
No GPS	Embedded GPS : Yes
Removable Flash Media Compatibility : Memory Stick PRO Duo™	Removable Flash Media Compatibility : Memory Stick PRO Duo™ MARK2 Media and SD/SDHC (Class 4) media (Sold Separately)
PictBridge Compatible : No Easy Operation : No	Direct Copy : Yes Golf Shot : Yes Intelligent Auto : Yes (Landscape, Backlight, Twilight, Spotlight, Low light, Macro, Portrait, Baby, Walk, Tripod) White Balance : Auto, Outdoor, Indoor, One Push (via Touch panel)
maging Device : 1/2.88" "Exmor R" CMOS sensor	Imaging Device : 1/2.88" back-illuminated "Exmor R" CMOS sensor
Headphone Jack : No Microphone Input : No	Headphone Jack : Yes Microphone Input : Yes
Price(As on April 8th 2010 from any authorized dealer in the USA) : $699	$1,199.00

Source: From official Sony website- SonyStyle.com