lux
Getting familiar with the group...
* Blu-ray player
Personally with a sound system of this caliber I dont see why they did not opt for a Blu-ray player instead of DVD
In regards to Blu-Ray for video purposes: With such a small lcd screen you will not be able to appreciate 1080p quality of HD. Maybe if there was a 50 inch+ screen option in the trunk with a motorized lift (ala MTV Pimp My Ride) you might justify Blu-Ray.
As for Blu-Ray for audio purposes: I know the Lexicon stereo supports 7.1 surround sound but not sure which particular audio formats. Regular DVD-Audio disks support Dolby Digital and DTS.
Blu-Ray disks audio support a lot more: Linear PCM (LPCM), Dolby Digital, Dolby Digital Plus (DD+), Dolby TrueHD, DTS, DTS-HD High Resolution Audio, DTS-HD Master Audio.
The problem is that I don't know if any music companies are selling Audio Only Blu-Ray disks yet. When they do, it should sound pretty good but until then might not be worth it for the Blu-Ray upgrade. I guess you could buy current Blu-Ray video disks of music concerts. Not sure if it is the same quality of audio recording as a studio DVD-A version.