My visit was 02/01/2020, below is a list of what I saw.
37 - 37421
43 - 43005 43154 43158 43189
60 - 60062
66 - 66151
70 - 70807
142 - 142002 142004 142006 142010 142069 142072 142074 142075 142076 142077 142081 142082 142083 142085
143 - 143601 143602 143604 143605 143606 143607 143608 143609 143610 143614 143616 143622 143623 143625
150 - 152013 150227 150229 150231 150236 150237 150241 150250 150251 150254 150259 150260 150262 150265 150281 150283 150284 150285
153 - 153325 153329 153353 153369
158 - 158745 158762 158823 158950 158959
165 - 165120 165122 165132
166 - 166201 166211 166217 166219 166220 166221
170 - 170102 170105 170105 170107 170114 170202 170206 170208 170273 170520 170522 170638
175 - 175001 175002 175005 175006 175007 175008 175009 175011 175101 175102 175103 175106 175114
800 - 800004 800018 800019 800027 800032 800306 800308 800316 800317 800318 800320
MK 2 coaches - 5961 5998 6067 9526
MK 3 coaches - 48107 48108 48109 48119 48120 48121 49103 49112
Overall, it is worth going, I would say yes, for sure, lots to see and I am sure more freight when it is not Christmas.