I'm thinking about setting up 11 delegates that distribute ~95% to voters, the rest is for operating costs. Currently, 25 Lisk a month is more than enough to run a VPS.
Would be a great way to get some corruption out of the system.
1 with 90% also fine enough. We need to keep decentralization.

I agree too, unvoted all the delegates that are part of a circle/corporation or something like that, aggregation of delegates is the contrary of the DpoS concept...
Vote only for delegates that are not part of a group ! And some pools too to have some lisk back.... but also on pools avoid to give votes to group of pools that belong all to the same person...