What are good things about game systems

In general they allow people to play video games not availible for computer systems.
Depending on the company the systems offer more benifits:
Nintendos tv consoles offer a blend of family freindly, educationtional and exercise promoting video games.
Sony's playstation line has a large veriety of games for teenagers to play together and alot of games with limited american releases that lets them explore japanese culture.
Microsofts Xbox line has alot of games that adult gamers can enjoy and features alot of improved versions of computer games.
And Nintendo's hand held line is great for gaming on the go for all ages.