Servisair will be handling them at MAN/NCL but not sure about DUB. Routings will be to TFS/CPT/DURBAN/DEL with B757/B763. 757 is in lasham being fitted out (ex g-oooi) and the 767 is in DUB I think being fitted out but will still hold onto iclandic reg as it belongs to Icelandair.
Hope this helps