Does Flex needs it's own JRE?
Short answer: no! Full answer here. However when I had Flex2 beta2 installed, I deleted the JRE that installed with Flex because I already had the JRE 5.0 installed and it caused no problems at all. I don’t really like the idea that every application installs it’s own JRE on my harddisk (Maya is such another app). Not that the ~50Mb are wasting too much space but its getting confusing if there are many JRE’s installed and Windows doesn’t make this fact easier with it’s obscure environment variables configuration.