It would help me if I knew some songs that you like so I can make a better suggestion. I can only tell you what I like right now.
Trance
Andy Moor & DJ Orkidea - Year Zero (various mixes)
Aalto - 5
Cold Blue & Del Mar - 11 Days
Alex Arestegul - Discover (Marcus Shossow mix)
Breaks
Coburn - We Interupt This Programme (Stanton Warriors Mix)
BT - Somnumbulist (Burufunk mix)
Andain - Beautiful Things (Have a Break Have A K&D mix)
Dr. Awkward - Survival Instict
Electro House
The Knfe - We Share Our Mothers Health (Trentmoller mix)
Noir - My MTV (D. Ramirez 'evil business' mix)
Global DJs feat. Technotronic - Get Up
Elekrtik Haze vs. D. Ramirez vs. Beck - Electic Disko Loser
I'm going to leave out the progressive house for now. As you see I also didn't put in any hard dance, techno, DnB songs in there because I'm not sure what you like. Itunes may not have a lot of these songs, but you can get them on the net.