Agreed. There are so many bits of 'cross platform' software where the OSX build requires X11. Considering X11 doesn't come with the newer installs of OSX (and there's no media with extra bits), and stuff like Airs have space at a premium, the X11 option is pretty terrible.

Am I the only one who uses PyDev?

One of the few. I am a PyDev user, but I have been migrating toward using ipython notebook for development and saving the code into .py files when I need to run in production. PyDev gets used to debug the resultant code when something goes wrong.

PyDev seems to heavy to me when you need to write a standalone script and too buggy at evaluating module dependencies resulting in bad tooltips. Ipython notebook doesn't have this problem because you evaluate code as you develop, so tooltips come from object introspection.

I agree about module dependency tooltips. I'm happy to hear I'm not the only one.

PyDev user here too. Although I don't use it directly anymore but through Aptana.

It works out of the box and also supports javascript/html/css/... so is ideal for developing webapps with a python backend.

Ninja looks nice, but nothing I saw in the screencast makes me want to make the jump.

Finally, I might have to change my mind...

There is a big difference with PyDev/Aptana that is not apparent in the screencast: its lightweightness!

* it is a 1.3Mb download (vs 126Mb).

* startup time is ~2s (vs 30+ seconds)

* memory footprint is ~28Mb after startup (vs 400Mb)

Now I'll definitely try it.

Update: the memory quickly jumped to ~120Mb usage, hope it's not a memory leak.

I had bad experiences with Eclipse back years and years ago, but I'll try it again. It looks like there's a new release (Juno?)- That seems like a decent starting point.

A couple of people used to use it a work, but then we all switched to PyCharm and haven't looked back

No we're not.