Add streamer with quality sound to system for Tidal and portable drive

If you're already ok with the laptop or any computer attached, I think you're describing a good use case for Roon. Leave the computer attached as a Roon core and you can control it from any device (other computers, phones, tablets, etc).

I use Buesound Nodes. Not expensive  and very easy to set up.
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I just revamped my system from a MacBook Pro to a streamer.  I also use an external DAC.  I debated between the Bluesound 2 or Auralic Aries Mini.  I went with the Mini based on the Lightning DS platform for the App. Very stable with great reviews.  Of course sound quality is up to par being an Auralic. 

But...I didn't realize it at the time but my Gen 1 iPad and another old iPhone we have kicking around don't support Lightning DS.  And there is no native app for Androids either. 

I have a Bluesound Vault 2 and it works great for streaming.  I like it so much I plan to purchase a Node 2 in a few months for my winter residence.  An iPad is my usual control but my iPhone also works.  Mainly like the larger screen.  I have the Tidal subscription and it operates flawlessly.
As far as sound quality, I have no complaints.  One could always experiment with an external dac somewhere down the line if upgraditis bites.
Bluesound is already setup for Tidal so a subscription is simple to add.