I've not put anything up for sale this week due to the impending Royal Mail strike. As soon as I can work out the impact, I'll probably put some more items up. I was hoping the strike could be called off through negotiation, but it looks like both sides are set on it.
I reckon anybody striking should be charged with treason as its still the "Royal" mail;-) Everybody has the right to strike, but at a time of increasing unemployment, the strikers will find it hard to get public sympathy.
Since the implementation of letter, large letter and packet sizes for inland mail a couple of years back, there's not a lot of difference between Royal Mail and courier prices. I think we are just a year or so away from the government giving out general postal delivery licences to TNT, bundesposte, DHL etc. (Especially if the treasury can raise money from them like the G3 mobile phone licences).