Confirming earlier reports of relatively quiet launches, Apple today officially released the iPhone in two additional countries with existing partners: Ireland with O2, and Austria with T-Mobile. Today’s Irish launch of iPhone was announced in late February, mimicking the British launch in several respects but diverging in others. iPhone is available in Ireland through O2 and Carphone Warehouse stores for €399 (8GB) or €499 (16GB), VAT-inclusive,…