There is nothing wrong with Morpheus AT ALL, Morpheus provides a decent amout of users to Gnutella & G2.

Here is a change log:

Class created for rolling averages, slower download hosts replaced with faster ones during transfer

Geo Loc methods added, QA bandwidth reduced, crawler extended
Reduced memory requirements of G2 Nodes (supposedly by almost half)
memory and bandwidth req decreased, profiled for less cpu
id3-less hashing (disabled)
Less memory used in g2 hub mode.
Optimized parts with a profiler (less cpu).
Less bandwidth used in G2 hub mode (acks not requested, optimized
response path)
Tested for long term stability.
Search auto-pause after 5 mins (large reduction of udp traffic)
Detection if client has been assigned a private IP address
Searching network more evenly distributed