With that low of a budget ($200 - tough), probably the best one for your purpose is the Celestron C90 Maksutov:
http://www.opticsplanet.net/celestron-c90-mak-spotting-scope.html
You've got a 90mm objective, and with different eyepieces, you can run 37x (stock eyepiece that comes with the unit) or higher (60x or more, depending on the eyepiece). Can view straight OR angled with this spotter. It's compact and waterproof, with a tethered front lens cover. Pretty neat. But being a reflector rather than a refractor, it CAN get knocked out of collimation with rough handling, and the collimation would have to be re-set.
But the above advice is good. If possible, save for a Brunton, Kowa (not Konus), Swarovski, Zeiss or Leica. Those are the big 5 among spotters, though Nikon and Leupold also make some quality pieces.
Since you said field use mostly (presumably for spotting game), don't discount out of hand a good binocular for dual-purpose use - probably the best option for you is to save up, get a high quality BI-nocular with a tripod adapter, and a tripod. It needs to be around 15x (at least 12x, and no more than 25x), and needs to have an objective lens no smaller than 56mm, but preferably in the 60mm-80mm range - something like one of these:
http://www.opticsplanet.net/steiner-20x80-senator.html
http://www.opticsplanet.net/steiner-binoculars-15x80-senator.html
http://www.opticsplanet.net/swarovski-15x56-forest-green-binoculars.html
and the ultimate (though a bit bulky):
http://www.opticsplanet.net/kowa-32x82mm-high-lander-binoculars-waterproof.html
Or on a much lower budget, one of these:
http://www.opticsplanet.net/65806.html
http://www.opticsplanet.net/nikon-12x56-monarch-atb-binoculars-7519.html
http://www.opticsplanet.net/ci-skymaster-20x80-gb.html
http://www.opticsplanet.net/ci-skymaster-15x70-gb.html
One of those Steiners or that Swarovski would be the bomb for your purposes, particularly the 20x80 Steiners - would both give you a good spot on targets out to 100-150 yards, or maybe 200+ with Shoot-N-C's, and would also be a great field game spotter. BUT, if you are trying to see holes out at 300 yards and beyond, like that guide says, you have to spend money to get the really good glass (high quality and 80mm+ objective). In that case, a bino will be too expensive, so a traditional monocular spotter is the way to go. All depends on the use.... But the more I think about it, the more I think that those Pentax 20x60s, with a tripod, for $230, would be a pretty decent rig for range spotting and field spotting on a budget. It's not gonna be high-end, but it's not complete crap either.
If all you want is a (1) low-end, (2) traditional monocular, (3) refractor only spotter (not Maks/reflectors), under $200, then I'd just grab a Burris Landmark 20-60x80, or maybe a Konus, Alpen, Celestron, Meade, Bushnell, or Barska - they'll work pretty well to 150; maybe 200 yards, for not much cash.
Be sure to check out the "Best Sellers, Top Staff Picks, and Best in Tests" section of optics planet:
http://www.opticsplanet.net/besandtopsta.html
Here is that section specific to spotters:
http://www.opticsplanet.net/spotscopebesandtop.html
As you can see, under $200, they've singled out (1) Bushnell Trophy 20-60x65, (2) Meade Kestrel 15-45x60mm, (3) Barska Blackhawk 20-60x60, (4) Bushnell Sentry 16-32x50, and (5) the Celestron C65 Mini-Mak. Oddly enough, no C90 Mak, but I'd bet that's an oversight, because a lot of folks consider the C90 Mak to be a very good value.
And here's an honest-to-goodness "ED"-glass, 100mm spotter for under 5 bills:
http://www.opticsplanet.net/celestron-ultima-100ed-spotting-scope.html
That's some serious value there!