Well, it looks like we may get to have both soon.
http://www.maxconsole.net/?mode=news&newsid=7493
Unfortunately, I am guessing this thing is going to be a pain to install. I am guessing the solder points are going to be verysmall. Add on top of that the fact that the thing costs 90 US$ and this is something that I am going to wait on until there are many more quality PSP games.The U.P. (Undiluted Platinum) is a flash replacement system for the PSP™ which allows the use of previous flash updates or custom firmware builds, opening up the possibility to run unsigned homebrew code on even the latest PSP systems.
--Raz.