Central Controls

[Mike Leary]

What impressed me about RainMaster (besides the sophistication and the fact they could be used stand-alone or Central)) was the factory support, which is damned important with high-end clocks.

[Sprinkus]

For low budget small residential:
Weathermatic Smartlink
Cyberrain
Irritrol PC Control

[HokieAg07]

Sentinel is big around here.