There are some screenshots from editor with (have filtered caulk faces):
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Image #1: Neutral upper platform, main advertisement banner. Have to add light fixtures as a model...

Image #2: The jumparea, have to add jets to floating ad banner here...

Image #3: Blue Base platform, square advertisement banner have been added...

Image #4: Green Armor in Blue Base, the same is in the Red Base...

Image #5: Railgun platform. Kept 1FCTF and HAR support, Railgun is hidden behind the beam...

Image #6: Runes have been kept, need to find Invulnerability model to load it...

Image #7: "Sensor" behind the advertisement holoboard...
And keep reading:
As the map is for Quake Live offline, I'll also send the map to Quake Live developer team to add the level into online support (the online matches)... If they'll accept the map, you can after that play the map, if you have Premium account. Have no idea, if they'll turn it into standard arena though, but I hope they'll do it...