As has been said, there are a multitude of different fences out there and which one would best suit you depends really on what other power tools you have. For instance, if you have a jointer, a simple straight fence like the one you have made is all that is required, however, if you don't have a jointer a split fence would be the better option, that is one where the two halves can be independently adjusted for planing. There are other ones with sliding panels to give minimum cutter clearance, whereas I prefer to have an opening large enough for the biggest cutter that I'm likely to use and clamp a strip of thin MDF to the fence when smaller openings are required.
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