I really like Flex. It's supposedly flowed and buggy and abandoned though. Yet I can easily write a dozen lines of code with my 1990s GUI knowledge that displa

I really like Flex. It's supposedly flowed and buggy and abandoned though. Yet I can easily write a dozen lines of code with my 1990s GUI knowledge that display 20,000 items in a sortable table and work at full speed in any browser -- while having endless performance problems/memory leaks when using HTML and various "data tables" plugins. Maybe in 10 years we'll have something that will let you build a GUI right in the browser and will work cross-browser properly.