Cheers guys!
£900 UK for the 400+ and a Boogie cab (1x15, 1x10, 2x6, and a horn, 4ohm)
Couldn't really run it up loud but sounded great at low volume. Its a fair bit of cash but have always wanted this amp for the alleged massive head room.
Wasn't till I ran it up later (master on 10! Pre on...