Alright found something for your metal gear solid 2
http://www.alucard.cc/new/Metal.zip Dunno if it works, let us know.
Also this for opening your *.pak files
NC VFS browser http://www.geocities.com/d_evils_thrill/
For *.bin files you can use a lot of tools to open that up... Winimage, UltraISO etc.
The first 2 i just did a search on google and found that.