pacsteam vesion..?

i have pac steam so far gmod 10, half life 2 and cs:s works on it however when i try to install the other games it says steam servers are too busy at the momkent?? any fix for this?

also when i start up pacsteam i get a message from steam saying new updates downloaded restart? do i want do do this. is it a steam update or a pacsteam update?

also how do i know if i have the latest version of pacsteam and how do update it?

lol lots of questions tnx in advance