You should have seen how JPA was tested - 280 people, one site, 3 weeks. How long was the whole program in developement?
HRMS fell over because the pipe to its server was not big enough. Richard Hadfield, 2PUS, held his hand up and slowed the migration to HRMS in some areas by a few months. It started small and slowly builds up. Not perfect but it does seem to work.
MFMIS is running late on 'defered success' and missed its latest introduction date - training has not started
AFAIK. At least it will come in in 2 phases although there will not be parallel runnng ALFENS will not be switched off