Hey Tim, I just noticed that the Bernolin website is no longer showing the white alto for sale (in the Store section). It is still mentioned elsewhere on the website, but it’s looking like they no longer offer it. Oh well, I think the black is much more popular, even for the extra money, because it looks more professional.
Also, Sarah Jeffery has continued to use the Bernolin Alto in her videos and even talks about that very fact in her latest YouTube video:
So you might take a look.