A few songs I'm really addicted to at the moment are:
CygnusX - The Orange Theme (Moonman Mix)
Ayumi Hakasaki - Depend on You (Dumonde Mix)
BK - The Revolution
Neuwerk - Freeforms
Kate Bush - Running Up That Hill (Dumonde Mix)
Dumonde - God Music (Original Mix)
Paul Van Dyk - Time of Our Lives (his latest song!)
Marco V - Echos (Marco Vision Remix)
I download heaps of live sets and I'd say I listen to those more than individual songs. Some of the really good ones I've gotten recently are:
Cosmic Gate - Live at Nature 1
Cosmic Gate - Airbase One (07-06-2003)
JamX - Live at Nature 1
Paul Van Dyk - Live at Nature 1
Mauro Picotto - Live at Nature 1 (Wish I was at Nature1! All these good acts)
Tiesto - Live on Radio538 (Annoying asshole talks through some of it though...)
Dumonde - Live at Trance Energy (09-21-02) - My favorite set at the moment!! It's awesome and starts off with Orange Theme

Speedy J - Shockers Live (04-26-03) I'll warn you in advance this set is really fast and pumping.
I have one Psy-Trance set done by Avi Nassim from Astral Projection. You can try and do a search for it. It's pretty cool. Sort of starts off with some of the earliest trance songs like Oxygen Part 2 by Jean Michelle Jarre and some Kraftwerk and works its way into some kick as modern psy-trance.
Avi Nassim - Live on Radio Bu99FM (12-05-03)
In a few months time there is going to be a rave here called Earthcore. Hallucinogen, Juno Reactor, Infected Mushroom and hopefully Cosmosis will all be playing

I cannot wait!
Check out Djmixes2k.com for livesets too btw. Ok back to homework for me. Enjoy!