Wow! That looks pretty nice for the price, others may have suggestions but I couldn’t do better. Looks like you’ll already have some money to save toward your speaker upgrade. Have you considered the type of speakers you want yet?

3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1