uh nice, but maybe settlers should get sethome and nick (it tends to be more usefull to other players than it is to them XD) but not the warp? that way the platform can be safe from new players that could be griefers.
as for veterans i understand the lava, but i think citizens should be able to use fire too (unless said veterans want to light every netherack and portal for players XD)
but maybe veterans should be able to use the log thing where they place dirt and it tells the log and stuff so veterans can find out who is griefing, so ops dont get spammed by griefed players when they come on XD