Where to buy electric fires

Hi,
I'm looking to buy an electric inset fire to go into fireplace surround . Does anyone know where to buy them ?
Any recommendation on which are the most reliable ? Which look the most realistic ?

Thanks a mill

Dimpco (www.dimpco.ie) in Santry is the Dimplex agent and you can buy directly from them. Check out the Optiflame range:

I did'nt know Dimpco sold directly to the public in any case you can buy electric fires in any electrical retailer,woodies,B&Q