I absolutely love Tiesto, Andy Moor, Ian Van Dahl, ATB, Darude, Barthezz, Chicane, Gabriel & Dresdon, Kai Tracid & alot of other artists.

I listen to it to pump me up, or usually when I'm at a club.

My favourite Tiesto track would be "Forever Today" an instrumental mix.

And my current favourite trance songs are "Ressurection - Nicole Sponberg" (Gabriel & Dresdon mix)

And Can't Stop Playing - Dr. Kucho. Very upbeat songs and I suggest you check 'em out.

/Edit/

Yes, Cascada is a variant of Techno. And they're great too <3