Apple's iMac line is now selling at a pretty serious clip.Don’t believe us? Well, we’re not the only ones saying it - NPD analyst, Stephen Baker (vice president of industry analysis) came up with this gem in a chat with journalist, Joe Wilcox, as bought to our attention by Dalrymple and his beard).So - some stats to back-up these claims:Apple’s US retail desktop revenue share for October was 47.71 percent, up from same time last year when it hit 33.44 percent.Sure, we know PC sales kinda declined as everyone waited on new purchases in order to ensure they got a free