1. North West Coast, including Amlwch, Blaenau and Llandudno - blue era.
2. Doncaster to Cleethorpes via Scunthorpe - blue era and Barnetby
3. A Class 119 'Gloucester' DMU by Dovetail - I happen to like the RSC 101 BTW.
4. The re-release of the centre headcode, pre-refurb Class 37.
5. Class 81-85 and a 304 please
Plus the Hope Valley line.
I can live in hope

EDIT: On seeing Vera's post, a 442 Wessex unit is a must