The XCR's look to be better then the XCM's.

http://www.srsuntour-cycling.com/bik...M%22,%22XCR%22


Get a cheaper bike with a lower quality fork that might have a short life span.
or
Get a more expensive bike with a better quality fork that will last longer


Suntour has a upgrade program where you can buy one of their better quality forks at a discounted price.

http://www.srsuntourna.com/consumer/

Non upgrade program prices: http://emarket.srsuntourna.com/collections/forks

Here's a long ongoing thread on mtbr about the Suntour upgrade program, there seems to be a lot of people that are happy with their Suntour upgrades:

http://forums.mtbr.com/beginners-corner/if-you-want-upgrade-your-suntour-fork-830657.html


* You can find Suntour Raidon and Epicon forks on ebay & Amazon for cheap prices, these are often 'grey market' OEM forks from Asia that have lower specs then the aftermarket forks supplied to the North American market.