I wouldn't let it spoil your enjoyment.
Sure a fair few people have had issues, but many are down to faulty sensors. As fl1nty360 said you tend to hear the negatives on forums unfortunately.
The SEAT DPF system on the FR isn't the greatest in the world, just make sure you follow the instructions. From what I've read its not very good at regenerting itself when full and relies on a set temperature being reached by driving the car at a certain speed for a certain length of time. Other systems have a feature to raise the temperature automatically within the DPF.
Your commute should be fine, its short trips that aren't recommended. Is say you just did 5 miles to work being a diesel the engine probably isn't even warmed up let alone the DPF.
Imagine someone who chugs to work and back and just does local runs on a weekend, the DPF will soon slog with no chance of clearing itself.