also, what do I need to know about buying one for my Home PC? are they all compatible with all types of PCs?

do you guys think this is okay: http://www.newegg.com/Product/Produc...82E16827151066

or these:

http://www.newegg.com/Product/Produc...82E16827130034

http://www.newegg.com/Product/Produc...82E16827129161

http://www.newegg.com/Product/Produc...82E16827152052

are these any good? or all crap?

any insight would be appreciated