'Speedy Boarding' reports are very negative:
easyJet Speedy Boarding Customer Reviews - Skytrax
This is a complete rip-off! Never again will I pay for this service which was never provided for us. We paid an extra £53 to be able to be the first on the plane as we were travelling with a child, and did not want to risk not sitting together. We expected priority in the bus to the plane and also the first to go in. From Gatwick Airport we were called first in the bus, but straight after everybody else was called in, and we were literally squeezed to one side - not having the chance to be able to get off the bus first and go in the plane before anybody else did. You'd think that you would have priority when you paid this extra, but the fact is, they are stealing your money and not providing this service.
EasyJet's Speedy Boarding in The AnswerBank: Getting there
we started to ask if we could pass through. We were met with a great number of glares and snarls and comments such as "It's Speedy Boarding - not speedy check-in". Many people were quite unpleasant and they seemed as miserable and morose as they do on the TV programme
My easyJet speedy-boarding hell -Times Online