The thing I'd most like to see is a Video Option for 'Fast Shadows'.

My RTW runs nice and fast with high shadows switched on, whereas M2TW's shadows cause a huge loss of FPS. (Presumably because they cast themselves properly on other objects including the object casting the shadow.)

With Shadows switched off, M2TW runs about the same speed as RTW. If I could have RTW's shadow renderer in M2TW that would be ideal.