I think Coach is mid-range here in the US, but again its all relative to what you're comparing it to. (A Nine West versus a Hermes, etc... like
Kallison mentioned.)
But I also believe
Vicky's comparison to
Gucci wasn't that far off... Yes, Gucci may be a rarer breed then Coach here in America... but if you were in Italy... seeing a Gucci would be as common as seeing a Coach bag here, and seeing a Coach bag would be the rarer breed... So it also depends on where you are located,
luvednotspoiled.

In terms of a global market, I could see where Coach could be compared with Gucci. I believe the Gucci line is the lower to medium end of the lines that company holds, but I could be a bit off on that. Remember, we are still talking a luxury brand regardless.
Here in American, I would rate Gucci slightly differently, then where it would stand globally. Its all subjective though.
Source of information regarding brand holdings, wikipedia.com:
Using the capital obtained from the PPR issue, the Group has steadily expanded beyond just the Gucci brand through a series of takeovers. As of
2004, the Gucci Group maintained whole or partial interests in the following companies or brands:
IMO... Gucci would fall on the lower end of these brands, with Balenciaga, YSL, & Bottega Veneta falling on the mid to high end... So following that line of thought, it would be more common to see a Gucci there then Coach. Don't lynch me!! Just my opinion.
But again... its all relative to what you are comparing! Are you comparing Coach to Nine West, Gucci to Balenciaga, YSL to Hermes?? Coach or Gucci to Hermes??? It is all relevant... but in the end, you should always buy what you love, regardless...