Same here. Mine went from Germany to Feltham via stanstead overnight.
Tracking shows arrival scan and out for delivery, but like you says by end of tomorrow. Should be interesting day to see if it does arrive.
The full route of mine was:
London, United Kingdom 06/18/2012 3:50 A.M. Out For Delivery
06/18/2012 3:50 A.M. Arrival Scan
Stansted, United Kingdom 06/18/2012 3:45 A.M. Departure Scan
06/18/2012 1:11 A.M. Arrival Scan
Koeln, Germany 06/18/2012 1:07 A.M. Departure Scan
Koeln, Germany 06/16/2012 12:45 A.M. Import Scan
Koeln, Germany 06/15/2012 11:02 P.M. Arrival Scan
Warsaw, Poland 06/15/2012 9:18 P.M. Departure Scan
06/15/2012 6:55 P.M. Arrival Scan
Almaty, Kazakhstan 06/15/2012 5:13 P.M. Departure Scan
06/15/2012 3:56 P.M. Arrival Scan
Incheon, Korea, Republic of 06/15/2012 1:04 P.M. Departure Scan
06/15/2012 11:26 A.M. Arrival Scan
Shanghai, China 06/15/2012 8:10 A.M. Departure Scan
Shanghai, China 06/14/2012 10:02 P.M. Export Scan
06/14/2012 6:55 P.M. Arrival Scan
06/14/2012 3:18 P.M. Departure Scan
06/14/2012 1:43 P.M. Origin Scan
China 06/14/2012 1:23 A.M. Order Processed: Ready for UPS