And further ones that are on-delivery:

E400MMC 10534/5 (SN16 OMY/Z) - 10534 seen below
SN16OMY by MOD571P, on Flickr
The first 2 of the first batch of 18 for Liverpool Gilmoss

E200MMC 37431-3 (SN16 OPV/W/X) - first of 9 for King's Lynn for CoastHopper which should be 37431-9 (SN16 OPV/W/X/Z/ORC/F-J).

EDIT: As of now, all new Stagecoach vehicles will be delivered with e-leather seating
EDIT2: The rest of the Gilmoss order (bar 10551) are as followed:
10536 SN16 ONA 
10537 SN16 ONB 
10538 SN16 ONC 
10539 SN16 OND 
10540 SN16 ONF 
10541 SN16 ONG 
10542 SN16 ONH 
10543 SN16 ONJ 
10544 SN16 ONK 
10545 SN16 ONL 
10546 SN16 ONM 
10547 SN16 ONO 
10548 SN16 ONP 
10549 SN16 ONR 
10550 SN16 ONS