DS1 was 26w to the day. Started with traditional purees and jars, but moved onto 3 meals within a week, and some finger foods. At 8mo he refused the spoon, so we moved to him feeding himself everything.
DS2 was 22-23w, and started on the powdered heinz food. At 25w he moved onto feeding himself, which fitted in with the family well - he just got whatever we were having dumped on his highchair tray.
Both were at the 6month ish mark as I didnt believe they needed anything before then - if they seemed hungry they got more milk. neither were hugely fractious on milk. I also didnt want any of the fuss of weaning, as milk was so much easier!
Now DSs are 4 and 2.5 and eat exactly the same diet, and very well - any kind of veg, they ask for fruit, meals very well, and even the treats such as chocolate (or dairy free buttons in DS2s case as he is dairy intollerant)
I dont regret waiting for 6m at all. Or starting with purees and then moving onto more "solid" food a few weeks later when they were (and me!) more confident.