Looks really professional Works great on my Dolphin browser. My only comment would be to perhaps include a link on the mobile site to direct you to the full site.
The mobile one works well and looks good, but some people just prefer to see the full site. I've got my phone set to automatically redirect me.

Delivery times are my own personal nightmare I've always had to have 6 weeks from order to delivery, so I can understand where you're coming from. Everything I make is "made to order" & has to be sent off to be cast; back to me; sent off to be hallmarked, etc, etc. It gives me wiggle room just for those occasions where I get a bad casting through no fault of my own & saves me having to offer apologetic discount because pieces are late.
Would love to know if anyone has a better way to do this.