Looks like it is more than a rumour. Again taken from Eurocontrol CFMU AIM website...
MAASTRICHT NEW FDPS
.
VALID 19/02/08 TO 29/02/08
.
THE TRANSFER TO THE MAASTRICHT NEW FLIGHT DATA PROCESSING SYSTEM
HAS BEEN DELAYED UNTIL AUTUMN/WINTER 2008.
PREVIOUSLY NOTIFIED TRIAL AND TRANSITION DATES ARE POSTPONED.
A FURTHER UPDATE ON NEW DATES WILL BE GIVEN MID-MARCH.
.
CFMU OPERATIONS DIVISION ON BEHALF OF MAASTRICHT UAC/FMP
Cheers,
Sean