I hope he doesn't mind me saying, but John has been out of commission with I'll health for a while again (following his most recent posts here) but hopes to be back soon. He's recently completed some PAVN heavy weapons and sappers which are excellent (especially the AAMG). I'm not sure when WCP will be getting them back in but try his eBay shop for some bargains. I picked up a load from Bob there recently.
FoA are my favourite Vietnam range, they're worth waiting for.