The link, you provide, is down now, can't test the package.
Not finding /usr/lib/libgtk-x11-2.0.so.0 : May be a wrong
architecture, is your OS x86_64, 64 Bits AMD or similar ?
Building a new binary is easy : pcsx2/bin/pcsx2
http://ubuntuforums.org/showthread.php?t=631979
# apt-get install subversion libsdl1.2-dev libjpeg62-dev build-essential \
libgtk2.0-dev libxxf86vm-dev x11proto-xf86vidmode-dev automake1.9 \
libbz2-dev libasound-dev nvidia-cg-toolkit libglu1-mesa-dev libglew1.5-dev
exit
svn co
https://pcsx2.svn.sourceforge.net/svnroot/pcsx2 pcsx2
cd pcsx2/ && sh build.sh all
.....
And just click pcsx2/bin/pcsx2
.....