Hit Pachaville (sp?) anytime after 11pm, and don't expect to get home before the sun comes up. The place rocks....although it will be a bit quieter in the winter than in summer.
spent a week there getting maintenance done and when I left my liver had packed up and gone on strike, my one kidney was comatose and the other was puking into the toilet!
Day time take a stroll around Valletta, war museum, and up to the silent city....lots of history.
Enjoy