When you sign up for a virtual number, you can have it use the main voicemail box or a separate voicemail account.

As for pricing, take a look at the bottom line. The previous offer was $175 for one year (then one year free), plus $36 for the 1st year taxes and fees (not charged the 2nd year), for a total of $211 for 2 years of service. The current pricing is $99 plus $36 for one year of service ($135, which would be $270 for two years, if you can purchase that second year at this time).

I'm not going to speculate about the promotions that are offered from time to time - as I understand, Tim uses sales numbers and probably other marketing surveys to decide what promotions to offer. I will only recommend that you go ahead and buy in when you feel that the offer is a fair price to you, knowing that you could just as easily miss a bigger discount (better promotion) as you could spare yourself a larger price tag when any given promotion ends.