I can see how you had envisioned her as an explorer, but my thinking, she's way too sleek and ferocious looking for that... I can see any StarFleet admiral saying, "well, so its got range; so lets trade a lot of that reserve energy space for more quarters, more group transporter pads, and much more phaser circulums and photorp tubes..... then'll I'll fund it."
Just kidding, its dandy as is!!!