Trance Tunes from 2003-2004....Can Anybody ID These???

Can anybody please help with identifying any of these progressive house and trance tunes. Here are the ones I am trying to identify:

2003

Unknown Trance ID from 2003 - YouTube


2004

Unknown Trance ID from 2004 - YouTube

Unknown Trance ID from 2004 - YouTube

Unknown Trance ID from 2004 - YouTube

Any assistance would be greatly appreciated. Many thanks

The middle one of 2004 is

Unknown Source - Cruentus

Unknown Source - Cruentus (Original Mix) - YouTube