Extended is the top product, it takes everything in standard Photoshop and adds 3D and video capabilities, and more... (see Related Links below)
In Extended version you have 3D Tools to work with 3D Objects.
not much other than the huge price lol
CS4 Extended is the legal version that you must buy. CS4 Portable is a free, illegal version that does all the same things as CS4 Extended, the only difference is that you can't add plug-ins
Yes, you can upgrade from Photoshop CS3 (or earlier) to Photoshop CS5 Extended, no problem.
The extended versions have all of the features the normal ones do but they offer extra features such as the ability to import and edit 3D graphics, video enhancement and more tools to use for editing images etc.
You can work vith video movie with Extended version of Photoshop. Adobe Photoshop Extended.
Image Ready was Photoshop plug-in in earlier versions. Photoshop is image editing software.
Adobe photoshop CS5 (extended)
What is the difference between standard theory and extended standard theory?
Adobe photoshop is installed to your hard drive, where as Photoshop portable can be places anywhere and run from anywhere, such as a USB drive.
PS7 has more features then 6. but honestly they are so old you ought to just get Photoshop CS4 or 5
Yes. See the Related Links below, it looks like it's $349