I am not greedy, I only ask for what other chips already implement (in one way or another) and, if possible, to make it a little bit better...

* Integrated ability to load games/apps from the HDD (or any other device).
ToxicOS 0.4 supports launching homebrew ELF files stored on any supported storage medium.
DEV2I V1.1 for Matrix Infinity enables you to install any PS2 executable on your HDD and launch it as the default DEV2 program.
Matrix Infinity Firmware 1.68 supports launching applications directly from memory card or the HDD.

* Integrated cheat device
ToxicOS 0.4 allows using cheats even while playing games from the HDD.

* Support for all DL format games (both originals and DVD+R DL)
Currently there are complaints about several games.