Mine so far:
Benny Benassi-Castaway
http://www.youtube.com/watch?v=wGiXlbDQfq8
Benny Benassie- Turn me up

Basshunter-Beer in a Bar
http://www.youtube.com/watch?v=K4PYIe1pVU4

What are some of your favourite techno/trance songs

Bennassi.... salt lake this weekend

Cosmic Gate - Exploration of Space
Dont Wake Me Up - Dj Shah ft. Inger Hansen (not really techno but a nice song)
Raver's Fantasy - Manian
Welcome to the Club - Manian
One More Time - Daft Punk
Technologic - Daft Punk
Most of Cascada
Most of Scotter
A little of Bass Hunter
Pretty Rave Girl - Xray
Most techno versions of Tetris

and thats all i can think of at the moment, will post more later when i think of them.

Benny Bennassi - Satisfaction

anything basshunter

Benny Benassi - Finger Food
Deadmau5 & Kaskade - I Remember

when referring to techno are you referring the the sub genre itself or using the word techno to reference all sub genres? ex. hardstyle, drum n bass, trance, ext.

anyways

hardstyle:
(A)lusion - 4 elements
smack my derb - alpha twins
Darkest Dreams - Beat Providers
Blcker than Blck (Original Mix) - Black Identity
Sound Like This (Blutonium Boys Hardstyle Mix) - Blutonium Boy
F.M.W. (Straight In The Ass Mix) - Brainkicker
City of Intensity (Original Mix) - Brennan Heart
Her Voice - Builder
My Life Is Just A Demo (Wj Mix) - Builder
Block & S-Te-Fan - Kingdom (anything by then tbh)

gabber:
terror of my speedcore - anger fist

trance:
miss a day(F & W remix) - ATN

club:
I Engineer (Club Mix) - bangbros
Face The Base (Pulsedriver Remix) - bulldozzer


techno:
6 Little Eggs (Tom Van Beat Remix) - Bass Rockers Vs DJ Pedros

i could go on and on to fill in some of the otehr catagories but i dont ahve time =)

this

everbody, but.. this is king "Trini Lopez"

thats all old shit

dirty house tops all without a doubt

i recommend checking out this channel
http://www.youtube.com/dirtyhousestyle

also:
fuckinhouse.com
http://twitter.com/dirtyhouse