There's a couple of blogs I follow which are related to the Mossie in WWII.
This one is basically "real-time" posts from the logbook of a 488 (nightfighter) Squadron radar operator:
http://broodyswar.wordpress.com/Fairly straightforward, but still interesting enough to be worth a look.
This one's far more wide-ranging, all about 23 (intruder) Squadron. Tends to wander about and repeat things, and English is not the blogster's native language, however there's photos, stories and other artefacts on here you won't see anywhere else.
http://no23squadron.wordpress.com/