This might see a little more traction if it was more fully developed and available.
If I could secure some real estate now, speculating that it will be central and drive eyes to my content later, then I'd readily engage.
For that to happen I'd be looking for more certainty, direction and investment on your part.
How long are you committing to this project?
How much are you personally investing?
Just how permanent would my land be?
How scarce would it be?
First mover advantage would give you an edge, but alt-lands will follow.
How hard will you compete to stay the premier virtual real estate developer?