I hope I'm wrong but I'm very positive it only contains:
- PSI-IV
- PSIus-PSIVus
- the 8 text adventures
- extras: expanded art galleries, diffulty levels (normal, easty, very easy), movent speed (normal, boost1, boost2), PS3 with more savespots
It may include:
- Graphic display options
- Soundtest
- More save slots for PSI, PSII and PSIV
It won't include:
- PSgaiden
- PSadventure
- PSgen1
- PSgen2
- PSI deluxe edition