One could buy a Playstation 3 controller from many different stores such as the Playstation official store or even other gaming stores such as GameStop or Bestbuy.
No, you can't use ps2 controllers to play ps3.
You can connect up to 7 controllers. And if people want to use the PlayStation Move while playing, (using 2 controllers) you can have 3 people using it, and have 1 person using the original controller, or 2 people using PlayStation Move and 2 people using original controllers, and etc.
No, the PlayStation Move and its Navigation Controller are motion controllers for the PlayStation 3.
The PS3 Bluetooth can handle up to 7 controllers
There are two different official varieties of controllers available for the Playstation 3 the original Six axis controllers and the upgraded with rumble function Dual shock 3's with Six axis technology.
they come with ony one controller but can use up to seven.
The guitar controllers available for the Playstation 3 system can be used currently for Guitar Hero and Rock band games.
No the PS2 controller does not work on the PS3 you need an adapter which is like $15
No they don't have a plug for ps2 controllers/guitar hero guitars
The Playstation 3 wireless controllers stop working when the battery fails to take a charge because they operate on a charged battery.
About 8 controllers
No, Playstation 2 controllers will not work on a Playstation 3 as they have completely different adapters at the end of the cable.