the only thing holding you back now is your temps.
with a cold setup...you can take that 26k and turn it into 27K +
i would have stalled on the new board and grabbed a phase or a water chiller... parents might not of been super happy with the bill at the end of the month though...lol but then again...you can run your loop on 98F water and the chiller would not be on all day every day.