This is the link that i've got....

http://rychlicki.net/en/2007/04/01/174/

I've tried it...Its in zip file...copy to your ppc and extract from your ppc...Open the launcher.exe and your screen will look like iphone...click on the slide.exe file and u can run the slide2unlock...This is different from the developer of http://www.whoneedsaniphone.com/

The source of the files are from XDA-Developers. It's been mentioned in this thread here.

Personally, I think it's cool but makes my device a little too laggy for my liking. Not to mention that the slider lock doesn't fully lock my device (my camera button and Voice Commander Button still works after locking)

i think will slow down the whole phone