I have been using the Cateye Adventure for about 18 months. I do value it for a few extra features a regular computer doesn't have. The altitude function is handy, but does become subject to weather changes eg. on more than one occasion I have looked in horror to see that I was below the sea
. However the gradient calculation is not hindered by this and it is god to see what the slope of the hill you just climbed was. Gradient is not recorded, it is instantaneous, also there is a calculation-lag that is good as you can see the figure
after the lung-busting section has been dealt with.
The temperature reading is also useful on hot/cold rides - it does need to be taken in the shade however, as the temperature reading goes sky-high when the (black) unit has been sitting or ridden in direct sunlight.
Otherwise it is a fairly standard computer unit with wireless sensor and multiple distance recording. No cadence or heart-rate recording, but I don't really need that. It doesn't replace a gps for me however - very different purposes. I like the unit for what it does.