hey! i have a powerbook G4...as i am a new user to apple....i just wanted to know what things i could do with it...ie shortcuts...effects...whatever! this is its spec: version 10.2.8 memory (ram) 512 and processor:500Mhz powerpc G4...is this a good spec? and if i wanted to install new ram where is the cheapest place i could buy 1....i dont knw what is the maximum i could have in this laptop but do you think 1 gb in total would be enough?what is the best ram for this machine? (url?) what is the maximum? and how could i run xp on this machine? and i would also like to run adobe photoshop csx3 is this wise? thanks! and if anyone has a laptop like this please get in touch! if anything contact me via email: email@example.com ciao!