It looks like game journalists on their mailing list got the chance to test it a little earlier, if you check twitter he is just talking to some Italian dude having problems starting it.
But it very much looks like we "normal" people should be getting it today too.
edit: btw, netkar is on sale for people wanting to check out the tech preview. You can get it for 5 Euro until the end of February http://www.netkar-pro.com/main/