Rosie - I'm looking to do Manchester mara in the spring, it's a week after VLM or 2 weeks after Paris. I'll be aiming for sub 3:30 again but with a 3:59 Pb, I might go for sub 3:40. I did Chester mara in October but crashed 'n' burned in 4:12.
I've been following a another sub 3:30 thread all this year which has helped me set Pb's in other distances, and they have been great support. Minni, Spoons, Carot, and Freemers are a great inspiration and will always be there if you need some extra support. Oh yea I forgot to mention they're also bloody mad!