Ideal items are as suggested by Physics, but as noted that is fairly unreasonable, and frankly unnecessary. Several extra million for one or two extra stat points are only worth it if you are looking to overrun everything.

You are missing items in your Special Items and Video Files slots. These slots leave zeros where anything would be an improvement.

Did you win your auction for the Ripro? That is not a bad choice at all, it is the best vid file for hackers.

Next would be to save for a Master Ball which are currently on Kyoubai for under 500k (ignore those suggesting the Fairy in a Bottle, that is a silly suggestion.)