Filters or add on lenses with Sony DSC-V1

[thydroxylaze]

Hi,
I was wondering if anybody out there could help me out with this. I just bought a Sony DSC-V1 and noticed i could add on lenses and filters via a extension. Well, there's numerous lenses on ebay and a hundred filters...i was wondering if anybody has used any lenses or filters with this camera and if so how were the results? Any image deterioration etc? Thank you very much.