or give pocketXpdf (
http://pocketxpdf.sourceforge.net) a try...no need to install, just copy to ppc and run...and for free
or you try repligo...very good, but costs a little bit...top feature 'flowed' (flaoting?) for reading books or things like this...of course the prog converts the pdf to his own format
sorry for my bad english...have fun ;)