Its took a bit of time but I think I have done quite well!
14 nights Thailand $1300 AU each inc flights accommodation and all transfers ,including Taxi's to and from airports

Includes return flight from perth to Thailand with Thai airlines.

Flight from Phuket to Samui with Bankok airways. ( not too sure about the prop plane though)

Pick up service from Samui airport

3 nights at The Red House Bophut Fishing village Beach front Samui

Ferry for 2 to Phan gang

4 nights Rung arung beach front Bungalows Bann Tai in Phan gang

Ferry for 2 back to Samui

2 nights The island Resort and spa Deluxe bungalow on Chewang
beach central.

Combo Bus /Ferry /1st class sleeper train Samui to Bangkok

3 nights Indra Regent hotel Bangkok( our favorite) with late checkout til 6pm

Taxi to airport for 9 pm

14th night sleep courtesy Thai airlines to get us home for a weekend to recover!

The cheapest I could get from a travel agent was $1450 for 8 nights on Samui!

I could have done it a lot cheaper but hey we are both in our mid-late 40's and need air con and buffet breakfast!

Den