The Brooks Flyer is good. Its the B-17 top with springs and I like it because the springs soak up road chatter and bumps. Weatherproof braking can be had with drum brakes and as for lighting, a dynamo hub is all that is needed to generate sufficient light in well lit places. If you're out in the country, you'd want to look into more powerful battery operated lights.
Mudguards or fenders as they are called here in the States, do more than just protect your bike from rain. It keeps the road crud from soiling the bike. And they're not really that heavy - not the plastic Bike Freddy Fenders I have installed on my Pashley Guvnor roadster.