Hi,
There are tons of good router tables available from basic to advanced with fences running the range also. You can of course build your own or part of your own set up. I built my own table and put an Incra LS system on it.
Some basic questions to ask yourself-
1. Do you want a basic fence or a full blown joint making positioning fence system? Other tools in your shop may influence this.
2. Is this going to job sites? If so I am guessing that the Festool semi stationary stuff is the way to go.
3. Router lift, or just a plate? Depends a lot on the router you want to use.
4. How much of it can I , or do I want, to build? Greatly affects the budget. The more you build the more / better stuff you can buy.
5. Is a dedicated router in the budget? The way to go if you can swing, #4 will play to this.
6. Do you have space for a separate table from your other Festool set up?
IMO a dedicated router is the way to go. The table is far too useful to be having to switch the router in / out all the time. It sound to me from your post that you have the Festool semi stationary systems available to you. So that will play a role in your decision. But in general I think that the Festool routers are truly better designed for hand held use. You lose a lot of the feature benefits by putting them in a table. If you can get a separate router then that is the way to go.
Seth