The single controller that comes with the PS3 is very similar looking to the traditional PlayStation 2 Dual Shock gamepad, but there are some notable differences. For starters, it's wireless. You can connect as many as seven (!) controllers via the system's built-in Bluetooth, which Sony's claims offers a 20-meter range (about 65 feet). Recharging the built-in battery simply requires connecting the included USB cable between the console and the controller. You can continue to play as the battery juices up (Sony pledges 30 hours of gameplay between charges), but the cable's somewhat short 5-foot length will put you right on top of the TV. That said, the controller has a standard mini-USB port similar to the one found on many digital cameras and PC peripherals, so swapping in a longer cable--or using a USB extender--shouldn't be a problem.) Unfortunately, the battery isn't removable, which means that if it dies--as inevitably it will someday--you'll have to replace the entire controller ($50) if you want to play wirelessly. By comparison, the Xbox 360 and Nintendo Wii controllers offer user-replaceable batteries: AAs or proprietary rechargeables for the 360, and AAs for the Wii.
As for the controller's design, Sony has made a few tweaks. The L2 and R2 trigger buttons are a bit bigger, and the increased depth in stroke offers players more subtle game control. Sony has also increased the tilting angle of the analog joysticks to give you more precise control and a wider range of motion. Those analog sticks are more sensitive as well. The PS2's Dual Shock controller had 8-bit sensitivity, while the PS3's controller has 10-bit motion detection. The SixAxis controller also has a centered Home button, which functions much like its counterpart on the Xbox 360 controller. You use it to return to the console's main menu screen, as well as to sync the controller to the console and start it up or shut it down wirelessly.
The other big upgrade on the SixAxis controller is motion sensitivity. As the name indicates, the controller's capable of sensing motion in six directions: up, down, left, right, forward, and backward. Game developers have incorporated it in many of the new games in one form or another. For example, in Call of Duty 3, you can arm explosives with a twist of the controller. 2K's NBA 2K8 also makes interesting use of the tilt feature, allowing you shoot free throws by motioning a shot with your controller.
To be sure, some implementations of the tilt sensitivity are better than others. Some games' use of it are optional and can be switched off, as we can certainly see some folks not wanting to bother with it at all. Clearly, Sony wanted to steal some of Nintendo's thunder, and there's no denying that the Wii's motion-sensitive controllers are more central to that console's DNA. The Wii controllers are also more sophisticated, including the ability to measure actual motion (spatial movement) and acceleration, rather than just tilting--but unlike the Wii, the PS3 doesn't require a motion-sensor bar in front of the TV. (The current Xbox 360 controllers offer no motion sensitivity at all.) It's safe to say we'll see more innovative uses of the tilting sensitivity feature in future games--it definitely adds an extra level of control when flying the eponymous attack vehicle in Warhawk. On the other hand, the highly touted Lair, is widely considered unplayable, thanks to a poorly implemented Sixaxis control scheme.
The big omission is force feedback support: The current iteration of the PS3 controller offers no vibration or rumble control. However, Sony recently announced that a new, rumbling Dual Shock 3 controller will be available in early 2008. In addition, a large portion of existing games will be able to make use of the force feedback simply by downloading a patch. Sounds great--until you realize that you'll have to shell out more dough for that controller once it eventually becomes available.
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