Ogg is not lossless.

I recommend...

http://www.exactaudiocopy.de

... setup to use the Lame binary as an external encoder.

[edit]
Of course if you're worried about the recent speculation about the licensing changes for MP3 decoders..,

You can always setup EAC to encode to Ogg. Quality level 6 (-q 6) seems to create transparent copies.
[/edit]