I used the online service before taking the CHL class.
If you do this allow 2 weeks before taking CHL class. You need their license number and forms. The completed forms were mailed 1/29/2008. The internet site shows only forms mailed. Delivered, January 31, 2008, 8:38 am, AUSTIN, TX 78773
Notice Left, January 31, 2008, 7:37 am, AUSTIN, TX 78773
Arrival at Unit, January 31, 2008, 7:32 am, AUSTIN, TX 78705
Processed, January 31, 2008, 2:25 am, AUSTIN, TX 78710
Processed, January 30, 2008, 6:46 pm, HOUSTON, TX 77205
Acceptance, January 30, 2008, 2:26 pm, GALVESTON
The Clock is started by the tech. (
) so 6 to 8 weeks if i am lucky. 
Watch your six.