Current 1/2 mill as above then for occasional use or training:
Airspace Avoid on one phone. Totally free and auto updates, what more could you want. Well, actually Air Nav Pro + CAA map (£18 initially + £20 per year for map) on 7inch tablet and another phone. An early Aware is in the flight bag and a Lowrance 2000c in the office which is great once in a while for debriefing circuit shape as well as holds and track accuracy. Airmap in the Arrow, soon to be replaced by a 530W, 750 going in the Archer. Can't afford Sky Demon but not required in the Cirrus!