A trip report from using 1.10.620 on a vista 32 ultimate sp1 box consisting of a 3.2GHz processor with 1.5GB of RAM:
I use it for streaming flac music files to my ps3 wirelessly. My music directory has 9,115 flac files and takes up 192GB divided among 23 genres. My main use case is to shuffle within a genre or browse by genre/artist.
Communication betwixt PS3 and PS3MS: Great, they find each other within 30 seconds consistently.
Media Library Build Times: Massive improvement. This used to take hours and now takes <5 minutes. The medias.data file size was 393,217 KB with 1.10.51 and is now 294,914 KB.
Media Library Browse Time: Another massive improvement. In 1.10.51 this was unusable. Enumerating genres would take >5 mins and listing subtrees would time out. Now browsing each level takes about 5-10 seconds. I would like to see it even better but a huge improvement. Browsing the big list of artists is still a pain and times out with a PS3 2104 DLNA error on a regular basis, but that's not particularly germane to a 1.10.620 trip report.
Media Library Genre Completeness: Problem here, unfortunately. Listings under "genre", "genre/artist/album" are missing most artist entries. All of the missing artists are browseable under "artists" in media server. Other music databases, like media monkey or tversity can see the genres OK, so I'm thinking this is not an issue with the correctness of the genre encoding. I've tried resetting and rebuilding the media library to no avail. After I manually browse an artist, that artist does not subsequently show up under the correct genre.
I hope this info is useful, thanks for a great product! Let me know if I can provide any other information.