i think i'll be going the 15mm and the cheshire. i'm about to shoot off an email and see how i go.
already have a red led torch(jaycar keyring job, works well for $3), and i've illuminated my observation log as well
As for a planisphere i use either a PDA with pocketstars and pocket sky, or i've got an old lappy i use with starry night pro, both i've made up red cellophane kinda slip on covers for. As for a height adjustable chair.. these work ones are quite comfy
el