I was impressed with the Holux M1000 with the 32 channel and MTK chipset.  I figure if you can track 32 sat. then you've got to be prety accurate.  However, I read somewhere that the SiRF star III chipset may be better for walking...  (maybe the Navibe GB735)My primary use would be with a golf course program so I want something that will be as accurate as possible and also adjust quickly at slow walking speeds.  What do you recommend?