Any of these Honeywell domes work good.
HD50 - Super High Resolution Fixed Lens Vandal Dome Camera
HD51 - Super High Resolution Vandal Dome Camera with Vari-Focal Auto Iris Lens
HD70 - Super High Resolution Fixed Lens Day/Night Vandal Dome Camera with Infrared Illuminators
HD73 - Super High Resolution True Day/Night Vandal Dome Camera with Vari-Focal Auto Iris Lens and Infrared Illuminators
HD4U - Ultra Wide Dynamic True Day/Night (TDN) Color Rugged Mini-dome camera
HD4CH - Vandal Dome Camera
We've had good luck and pretty much no service calls on all the above.
These DVR's work good too:
HRDP DVR Performance Series - 4, 8 & 16 Channel embedded digital video recorder
HRDP4F - 4 Channel Embedded Digital Video Recorder
HRSD8/16 - 8 and 16 Channel Embedded Digital Video Recorder
The Everfocus brand cost a little less money, but we've had rock solid performance for residential and small commercial:
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