On: Monoprice Announces 27-Inch 2560 x 1440 Monitor fo...

[gte910h]

Dock item sizes are controlled in the Dock Prefpane

If you want to go the resolution: They're set per user, so only the people with reduced vision need the more visible resolutions

http://www.bresink.com/osx/TinkerTool.html can change fonts all over the place for MOST apps.