RomRaider

Hi everyone,
i have spent quite sometime reading on tuning Subaru's in general and going through the RR forums even as i wait for my tactrix cable to start tuning my 04 forester cross sports.
so far i have identified my ECU as AG572-1355 and From what i have read we don't seem to have a solution for the definitions of this ROM.
1. Is this ECU readable?
2. What alternative ROM is compatible with this ECU?
3. Someone identified this ECU as using the SH7055 memory module. This is the same memory module i have seen with other ROM IDs like the A2ZJ500F. Is it safe to assume this will be compatible?

Sorry for too many equations.

MY04 JDM Crosss sports, TD04, MT(Converted from AT).