Thank you econ21. Your tips give a good outline of what to expect and overcome as Oda.
The effect of the Ikko-Ikki DLC seems to make Owari and Mino vulnerable sooner. The Southern expansion is still possible but it generally has to feed itself; all builds in Owari/Mino stuck at home for the invasion.

Jarmam I think your advice is applicable to all factions. Gunpowder is really that good! Oda was the first Christian Shogun I ever mananged and gunpowder was the key :)