SlideRocket is a portal that can helpt to create beautiful .ppt presentations, assessments, analysis...making it one of the most popular professional online services for these type of tasks. Its ease of use and effectiveness have been immediately acclaimed in the world of professionals. SlideRocket allows to integrate formats including video and animation in flash without altering the quality of files.
Another advantage you can get a URL for your SlideRocket presentation and post it on your website or put it online anywhere, which is not possible with Powerpoint.
A gallery containing attractive and informative contents is already available.
For casual users, there is a free version of the platform.