I've used them in the same sandy soil condtions, a bit South of you. Or, I should say, I rented them and my son-in-law used them; getting too much for an old man to wrestle with. Worked great from my point of view /forums/images/graemlins/grin.gif. You get past the roots pretty fast, and there arre no rocks or clay. /forums/images/graemlins/cool.gif At around $85/day rental, that unit will pay for itself real fast, plus you could sell it when you're done.