Easter?

[mousemad]

After we booked this years flights, I realised we would be there over the Easter holiday.
We fly out on April 18th & the following day is Good Friday. We have never been at this time of the year before & I wondered if anyone who has could give me some info.
Is there anything special on at Easter like there is on other holidays?
Should we book somewhere for our dinner on Easter Sunday or will places be closed?
Is there any extra sales on?
I'd be grateful of any info as I realise it will be busier than normal (although our schoolkids are off the 2 weeks before Easter & go back to school on April 22nd).