that's because people are forced to make a choice each time a new appealing psp title gets released - 'shall i ditch homebrew for a flashy game?'
in my case, in no particluar order:
filemanagers
a kick-ass radio client
a kick-ass pdf and txt reader
lua & twintailLDE (a lua IDE) - self-hosted development, yay!
sane media players allowing people to watch full-res movies.
an IM client (icq, gtalk, aim)
freaking-cool emulators, for both old consoles' and sientific calcls
..last but not lest the ability to run full-fledged compiled code written by me : )
and of course yet more homebrew to come in the future.
now, what does 2.7 offer to you? ; )
over my dead body ; )