1. A configurable IC comprising: a) a plurality of configurable logic circuits for configurably performing computations; and b) a plurality of configurable interconnect circuits for configurably passing signals to and from said logic circuits; c) wherein at least a set of the routing circuits are interconnect/storage circuits, wherein each interconnect/storage circuit has an output and a storage section at the output for controllably storing a signal that the interconnect/storage circuit produces at the output.