Unless you have a pirate copy of CS5, you'll be missing R10k
Biggest difference for me would be curves (not sure if PSE now has curves).
(not sure if PSE now has curves).
You can get Photoshop CS5 for $450.
I'm really stumped by your response...Hey I'm not forcing anyone to buy online. If you want to continue to live in a box behind the boerewors curtain that's fine with me.
Me? I would buy the digital keys and download the trial software and get on with it. I certainly don't need the shiny box to sit on my desk.