application of stair tread stick on grip tape from the hardware store will make the top side grip better.

Of recent notability: the pub pedal for eggbeater pedals http://www.indiegogo.com/projects/pub-pedals

there is also the Winwood deckster,http://www.bikeradar.com/us/gear/cat...ters-09-34138/
It's carried by QBP
a spare cleat of whatever pedal you like best.. gets you the function, without limiting your the pedal choice
to the shimano or the welgo lookalike.