the posts help a lot.
I did some testing in our environment and I get about 10% slower performance with TDE enabled. Which is quite okay. :-)
Thanks for the info about the index fragmentation, I will keep an eye on it, usually we perform an index defragmentation each night, so it should keep the indexes in a good shape.
Our databases are around 600 GB-800 GB each with a high OLTP load on it.