  A distinct sub-class of anomalous velocity HI emission features has emerged
from recent high quality surveys of the Local Group environment, namely the
compact high velocity clouds (CHVCs). A program of high-resolution imaging with
the Westerbork array and the Arecibo telescope has begun to provide many
insights into the nature of these objects. Elongated core components with a
velocity gradient consistent with rotation (V_Rot ~ 15 km/s) are seen in many
objects. Comparison of volume and column densities has allowed the first
distance estimates to be made (600+/-300 kpc). The objects appear to be
strongly dark-matter dominated with dark-to-gas mass ratios of 30-50 implied if
the typical distance is 700 kpc.
