One of the biggest advantages of LG Optimus 2X is it's great hackability. The device is easy to root and doesn't come with encrypted bootloader, what makes developement for it a piece of cake.
This smartphone is so attractive, that a few known devs decided to buy it, or get in a near future.
1. Paul O'Brien - already has the O2X, chef of MoDaCo, author of MCR, MCK,, prepared CWM for O2X and many fixes/tweaks.
2. AmonRA - author of RA Recovery, already has the device
3. Anderwebs - author of ADW Launcher, already has the device
4. Chris Soyars - CyanogenMod developer, he is thinking about getting the G2X
5. Kmobs - CyanogenMod developer, he is thinking about getting the G2X
6. Steve Kondik (aka Cyanogen) - author of CyanogenMod, tweeted that he is getting the G2X