There are new Layer Modes, a new Adjustment layer, new layout and interface, you can work with video... Animation fully integrated from ImageReady... umm... Thats all I can think of right now. Try checking Adobe's website.
i'm using this right now.. and i experience lot of bugs... while doing some editings.. my adobe ps cs3 is always shutting off automatically.. i don't know why this is happening..
Ps CS3 is now fully integrated with the other adobe creative suite products. The interface is changed, some futures are added, bridge is now more stuck with photoshop. As a cool key future of Ps CS3, smart filters Just google it and find out more. It's extra cool! You can add filter effects just like layer styles now
now i know why my photoshop cs3 is automatically shutting down.. it is affected by a virus.. but I have fixed it now.. so it's now working fine.