I use express truck tax also. Filed, Paid, and an emailed 2290 stamped paid in usually 1/2 hour or less.
I use truckdues.com They charge under $8.00. They file, you receive a stamped Schedule for the truck. I'm set up to make direct payments to the IRS via efpts. The whole thing took filing took me 5 minutes from the comfort of my own home.