Bar ends might help...IME, having my hands palm-in, rather than palm-down, pretty much eliminates wrist pain/hand numbness. Also, I find that gel pad gloves are much less comfortable than gloves with little or no padding, as they create more pressure points on your palms and constrict bloodflow due to the pads bunching. And if you haven't already, try riding with no-hands for bit every few miles. It takes practice, but even just riding with your hands off the bar for a minute can help a lot.