Handheld digital microscope

[usernamebarley]

Not sure if this is the right place to post.

anyone has any recommendation for handheld digital microscope for miniaturization mapping?
http://www.baldingblog.com/2009/02/17/whats-the-point-of-a-master-plan-and-miniaturization-mapping/

baldingblog recommended celestron 44300 but its already discontinued and I'm unsure if 44302 will be a good replacement.