Ok so, somewhat inspired by Gr1m's little thread to keep people posted (and for myself to keep track) of my mod-list and where I am at with the current projects and other mods.

Below, a list. This list will contain every mod I have made, followed by 'attributes'. Such as if it is supported, custom sounds, assets or a WIP.

British Generic 2-4-0:
Not supported
No assets/sounds planned

GNR 'A1' 4-6-2:
Supported
Planned sound effects and sounds
Planned LNER liveries

1850 Narrow Gauge / 1870 Narrow Gauge:
Not supported
No plans

Fictional British 4-4-0:
Not supported

USA Variety Pack V1:
Not supported

John Stephens 6-2-0:
Not supported
Updated version included in USA Variety Pack V2

2-6-0 Early Mogul:
Not supported
Updated version included in USA Variety Pack V2

Early Rail Pack:
Not supported
Plans to release 2-2-2 Jenny Lind as separate mod.
Plans to release 2-2-2 'Long Boiler' as separate mod.

Crampton 4-2-0:
Supported -- Final
Has assets
Has soundset

LNER 'C2' Atlantics:
Supported
Asset and soundset to be added

LSWR set:
Not supported, hidden

LNER P2:
Supported
Has sounds
Assets to be added

W1 'Hush Hush':
Supported
Needs assets and sounds

Fictional British 0-4-0:
Not supported

Stirling Single:
Supported
Has sounds
Needs assets

GNR Teaks (includes articulated coaches):
Supported

Caledonian 4-2-2:
Supported
Has sounds
Needs assets
Plans to model Cale 4-6-0

LNWR 'DX Goods'
Supported -- Final
Has assets
Has sounds

LNWR Crewe Type:
Supported
Has assets
Has sounds
Plans to include 2-4-0 variant

LSWR '380':
Supported
Needs sounds and assets

LSWR 'X2'
Supported
Needs sounds and assets
Animations fix

LSWR '415'
Supported
Needs sounds and assets
Radial axle wheel does not turn, looking into

S&DR 'Derwent':
Supported
Needs sounds and assets

Rocket:
Supported
Needs sounds and assets
Plans to include non-yellow version
Plans to include rebuilt version
Plans to include 'Northumbrian'
Plans to include 'Invicta'
Plans to include small passenger coach (from 1850 pack)
Would like to create a custom waggon, however this may not be feasible due to sequel.
Will be released in a new pack; 'Liverpool and Manchester Set'

S&DR 4-4-0:
Supported
Has sounds
Needs assets

LB&SCR 'H2' Atlantic:
Unreleased

Midland Spinner:
Not supported
Plans to remodel entirely from ground up as a new mod.

MR 700 Class & MR 156 Class:
Supported
Needs sounds and assets

LNER A2 Skittle Alley:
Supported
Needs sounds and assets
Animation fix, wheels are too small!

LNWR 'Coal Tank' and '4ft6 Tank':
Supported
Has sounds
Needs assets
Animations fix on Coal Tank (minor niggle)

LNWR 'Precedent':
Supported
Needs sounds and assets

LNER A4
Supported
Needs sounds and assets
Plans to include liveries:
LNER Silver
LNER Green
NE Black
BR Green
BR Blue

Hornby 0-4-0:
Currently not supported
Would love to add Hornby sound effects though

GCR Class 8:
Supported
Needs assets and sounds

LMS Expansion Pack 1923 - 1930:
Supported
Needs sounds rework (whistles are not working as desired)
Needs chuff sounds and running sounds
Assets! All of them!
Hughes and Suburban tank have z-index flickering on the bunker
Fix tender livery
Add LMS '7F'
Add LMS liveried 'Dreadnought'

L&YR Dreadnought:
Supported
Needs sounds and assets

LMS Black 5 & 8F:
Supported
Needs running sounds
Add LMS 'Jubilee'

LMS 'Coronation Pacifics':
Supported -- Final

BR 'Fell' Diesel:
Supported
plans to add fictional BR Green with yellow ends variant
plans to add fictional BR Blue

LNER 'Peppercorn A1'
Supported
Needs assets
Plans to include 60163 Tornado, available 2008 in Apple Green
Plans to include 'Peppercorn A2' (nearly identical)

SRR No. 3:
Supported
Needs assets

USA Variety Pack V2:
Supported
Needs assets. All of them!
Plans to add cowcatchers to small locos.