If you are still traveling there, see if you have a chance to try some aged raw Pu erh (生普洱).
Ripe (熟普洱) Pu Erh tea is more or less a recent invention. The traditional Pu Erh tea is the same as raw Pu Erh tea. When the raw Pu Erh tea is naturally aged (老生普洱), then it gradually changes its flavor. Here is a photo of the change of tea leaves through years:
The tea liquid from also changes its color depending on the aging process:
Ripe Pu Erh tea is a process which tried to speed up this aging progress in a short duration. However, an aged raw Pu Erh tea has a deeper complexity.