Number of Baht to pound currently about 67...you can check on
http://www.xe.com/ucc/
Are taxis cheap...not supercheap especially since the price of petrol has increased so much on world markets. Still cheaper than a UK taxi though...drivers often take you to a place wait round and bring you back.
Lots of good airlines. Thai are fine, Eva, Qantas. Emirates and Qatar fine, Etihad OK