Recommend me some "Dance" music

[Shostakovich]

I say recommend me some Dance Music, because I don't know what else to call it, but there are a number of groups listed below I enjoy...

I know nothing about club music, so would appreciate some education...

I just like listening to it when on the underground, etc, but don't know where to go...

Some stuff I like:

Prodigy
Saint Germain
Stars of the Lid
Orbital...

Stuff you hear on Radio 1 on a Friday night....

What could I get to get some structure to my listening?