I get that one of the hardest things for Marketo is to provide a million potential options and still make a clean streamlined user experience. I think they do a really good job. But if you actually implemented a bunch of the ideas from the community you'd have an over cluttered UI.
Suggestion: Super Admin panel. There are a number of 'nice to have' things that could be grouped together on a super admin panel.
I'd think all of these could manage to be on the super admin panel.
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IheUAAS
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IXIdAAO
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IhWQAA0
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IXE7AAO
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IGl4AAG
https://community.marketo.com/MarketoIdeaDetail?id=08750000000HLvMAAW
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IGLfAAO
https://community.marketo.com/MarketoIdeaDetail?id=08750000000HMiOAAW
https://community.marketo.com/MarketoIdeaDetail?id=08750000000ICzvAAG
https://community.marketo.com/MarketoIdeaDetail?id=08750000000Ici2AAC
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IDVrAAO
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IF5HAAW
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IakpAAC
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IhFKAA0
https://community.marketo.com/MarketoIdeaDetail?id=08750000000InqWAAS
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IQFDAA4
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IArkAAG
https://community.marketo.com/MarketoIdeaDetail?id=08750000000HuQxAAK
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IAXLAA4
https://community.marketo.com/MarketoIdeaDetail?id=08750000000IgrwAAC --> on super admin or an rss feed.
UH ya... I had to update 1000 landing pages, it takes a while so I had a little time to kill.