Grateful Dead Record Store Day Release

Today I picked up the latest RSD release from the Grateful Dead, a show from Vancouver recorded in 1966.
Based on some other 60's era Dead live recordings, I had very low expectations for the sound quality of this one, so to my delight I was really pleased when I put it on for the first time.  
The performance is a really good one despite a pretty passive audience.  The sound quality is also very good.  Much better than quite a few other releases from this era.  The bass is a little boomy but considering how crisp the treble and mid range are, one can hardly complain.
Anyone else score this one?