Hi Bill, I'm a little further down the road than you and although it remains a terrible road to travel I have completed most of the 'admin' which is both a blessing and a curse, a blessing because organising things keeps you busy but of course bureaucracy is a pain. Was Susie under pension age? If so something you may not be aware is your entitlement to a Bereavement payment of up to £2500 (I got £1800) and 18 months at £100 a month but you must apply within 3 months. As you'll be the busy one I leave it to you to pm if/when you wish to, no pressure to, but happy to just say to each other how sh1t life can be... or more.
I hope today isn't/wasn't too traumatic and at the very least will celebrate a lovely person well loved and a life well lived.
Take care, really, look after YOURSELF, Mark