There is a bus that runs from the airport into Palma, it's the Line 1 bus and it stops at the port. As you leave the baggage collection area in the airport you exit into a long corridor-like hall to the left and right. In the centre there is a meeting point and information kiosk (marked "C" for Information in Catalan). Directly opposite is an exit doorway, walk out and continue ahead until the pedestrian crossing, cross over and on the right is the stop for line 1. Takes about 15-20 mins to the port and the fare is around 2 Euros pp.
http://www.spanish-airport-guide.com/palma-airport-buses.html
The train to Soller runs from the station just across from the Plaza Espania (Placa Espanya in Catalan). The train journey takes about 45 mins.
http://www.sollernet.com/trendesoller/en1.html
For return by bus you want line 210.
http://tib.caib.es/terrestre/autobusos200.en.htm

Thanks very much, thats everything I needed to know.

The Sóller Railway is 17€ return to Placa Espanya there is also a train / tram /boat round trip to Palma /Sóller/Palma which I believe is 57€ (you can tell I only went on the train )

Have to agree with you about Janerbus cheap and very reliable

though I do like the local bus prices about 1000% cheaper than round here