What photography software do you use regularly?

Lightroom, and CS4 usually to resize it and make it web friendly, but for the most part just Lightroom for anything that I am going to print. CS4 I use on photos I have not intention of ever printing just so I keep up with at least some PS skills.

Thanks for all the great replies. I think I have at least some idea of what to look for in the future now. :D

I noticed nobody mentioned the bundled RAW conversion software that came with their camera. Is this software generally not inconvenient to use (lacking batch processing and automation)? One would think that the manufacturer's software would do a superior job of converting RAW files (it's their camera after all), but maybe well supported thirty party vendors like Adobe can do as good a job or better?

I use Lightroom's converter only. Have never even loaded what my camera came with.

I used to use the canon software, but only to download and view the photos before exporting out to PS. When Lightroom came along I stopped using it.

My Pentax camera shoots DNG as Raw files. So I don't need to convert it. Lightroom or Capture one will work with them perfectly...

Lightroom mainly....for HDR I stick with Photomatrix although I also have Dynamic Photo. I sometimes use PSE7 and Topaz adjust but not so much lately.
Right now I am completely addicted to the Nik Software bundle (Viveza, Silver Efex, DFine, and SharpenerPro but not so much the latter) so mainly I use a combination of LR and Nik these days. :)