the "cloud" version of Photoshop is out of the question, because I sometimes work in the field where there is no internet.
"Cloud" is just a marketing term that can mean a wide variety of things. In the case of Adobe Creative Cloud, it means you're licensed on a subscription basis, and need to connect to Adobe's servers periodically to verify that your subscription is still active. It doesn't mean you run Photoshop in a web browser--it's still installed on your hard drive like traditional programs. As the FAQ says, "No, the desktop applications in Creative Cloud, such as Photoshop and Illustrator, are installed directly on your computer, so you donâ(TM)t need an ongoing Internet connection to use them."