The bottom line is,"you get what you pay for" especially in the MD arena unless you get a good deal on a used high quality one but as one poster said, "you could get a not so good one and get burned" so you are taking a chance there.
I honestly would say wait and save more money and get a $500-600 MD. What's the rush? For most of us the season is dwindling as the colder temperatures are approaching. If you are in that category then your time to MD is short.
If you do not want to wait. Then look at these three:
http://www.kellycodetectors.com/compare/?a=38
I would say get the Bountyhunter because it has a longer guarantee than the Garrett 250 by 3 years and it operating frequency will reach deep in the ground and I have personally seen a guy I know use one and he's using a lower end model and it's all beat up and he's pulling silver out of the ground all the time in a hunted out park that I MD in.
Here's the reviews for the BH:
http://www.kellycodetectors.com/productreview/reviewlist.php?m=622-5051
I just read all the reviews for this BH model and everyone loved it.
The
Tesoro's have a nice reputation and do offer a good bang for the buck with those who have a limited budget
Just my 2