The TrueLife puts a glassy/reflective sheen on the screen.
This is good in dark areas (indoors) but rubbish in light areas(the garden).
Read this for a description
'The speed is 1.83 GHz, isn't it really slow?? How come my old PC is 2.4 GHz and this new laptop is not faster?'
Because at £400, what are you expecting? You can get a faster processor but you will have to pay for it.