Just wanted to share some of my Googling with all of you. Looks like 10/3 is the most likely release date now for X3: Terran Conflict.
Gamespot, rank 3,716 of 51,168 (click the orange More Info button). Release date was 9/26/08, now Oct 3, 2008 (EU)
GameFaqs, release date was 9/26/08 in Europe, now 10/03/08 EU.
GameStats, popularity guage was 0, #28,745, now 14.0, #1485, #161 within PC Library. Release date still 9/30/08.
IGN, release date still 9/30/08, United Kingdom.
1Up.com, still no user hype, release date still 9/15/08.
GameZone, North American release still Q3 2008, no comments.
Game Rankings, no rank, 9/26/08 was the release date, now it's 10/3/2008.
Play.com, Pre-order, release date 10/3/2008 (UK I assume)
G4tv.com, THINK game trailer, available in HD, no comments.
Amazon.co.uk, available for pre-order at £17.98, release date October 3, 2008.
Amazon.de, EUR 39,99, release date 26. September 2008, already 4.5 average rating.
TotheGame.com, UK and Nordic release date, 9/26/08. US release, TBA. Online play, TBA!
Did I miss any game sites?