My second (and shorter) vacation is already far behind... Guilin is a wonderful place, probably one of the best I ever saw in my life. I recommend everybody to visit it, just for eyes pleasure :-)
There is only one problem: City restaurants & taxis (and probably others) are so expensive! The reason is simple: They just want to get your money (they use the word kill), and prices could be multiplied by 5 or 10 if you are not chinese. It is really a good idea (for price & taste!) to eat in a 5 stars hotel!

I bought a PALM Vx in Hong-Kong (the normal way from Tokyo to Guilin). This device is really wonderful: Very small, tons of applications, and so easy to use!