Based on your cutting needs, I would say the VF1 would not be a good fit. The only thing you gain is a larger work envelope. Your predominate cutter sizes would dictate a need for higher spindle speeds.
The Haas TM-2P with a 20 tool changer and 10K RPM spindle might be a better fit. We have a TM-2P with 20 tool changer but only a 6K RPM spindle and wish it was 10K, but we have never run out of spindle HP even at 7.5 HP. Like you our cutting is 90% 6061, with the rest SS. Most of our work is done with 3/8 to 5/8 endmills, with occasional use of 1.5'' face mills.