This is my version on portable router table.
I wanted router table, what is portable (so I can take it away when not needed) and with quick router change option (under 30sec in this case). Router switches on from vacuum cleaner. Clamp as router lift works well (for my needs).

Parts:
Tabletop - laminated plywood (800x600x30mm)
Fence: 18mm laminated plywood
T-track: http://s.click.aliexpress.com/e/4y6hmec
Toggle clamps: http://s.click.aliexpress.com/e/cidWhgl6
Clamp: Irwin 300mm mini