A:AnswerI say that would be more of a Direct Logitech thing to ask them, I got their Number from their Official Site :
(Toll Free) +1 866-632-5644 Monday - Friday: 9:00 a.m. - 9:00 p.m. Eastern Time
A:AnswerHey, I don't know if you've already been checking since you posted the question but it should be available at this time. I bought mine online with no issues just 2 weeks ago. Hope this helps. I know it's a popular product and hopefully you were able to get this mouse. It truly is wonderful.