I have to say that LimeWire is my favorite Gnutella Client (and it was even before I found out BearShare was bundling SpyWare with its client ). The only unfortunate thing is that LimeWire seems to be less responsive to the community, so I will list my suggestions here:

-Supporting multiple simultaneous downloads of the same file from different servers to increase speed and the percent of effective downloads

-a rollback (starting a resumed download a few hundred kb back from where it
left off) to preserve data integrity

-automatically re-searching the network for files that are in the downloads folder to find other servers to resume the files from. Keeping these files until they are deleted so that a user can shut down LimeWire and resume the download again when they go back online

-adding an extension to incomplete downloads so that they are not shared and
propaged in the gnutella comunity

-adding the bitrate of encoding for MP3 search results

-Placing the dowloads on a separate tab from the search results