Madison Zenith lightweight jacket > cheap, keeps off drizzle, doesn’t get too hot or sweaty.
Altura Mayhem jacket > properly waterproof, don’t boil in a bag. Pretty good for £65.
Lights and batteries from MTB batteries > good pricing for great kit and top service.
Osprey Talon 6 waist pack > plenty of room for stuff, well worth trying.
Merlin own brand bib shorts > not expensive, very comfy.