Great colour choices! I agree to go with the grey rug, but you can use the yellow as a subtle highlight colour in the design. Here is a photo of our Clover rug in grey and cream , but you could easily make the cream a light yellow. At Tsar we custom make rugs to the exact right size and colour combination to ensure you get it 100% right. Have a look at tsar.com.au. We'd be happy to assist.

My local Carpet Choices carpet supplier organised overlocking of some wool sisal carpet for me. Maybe try your close carpet suppliers. Its probably not something they'll advertise on the web. You'll need to ring them.

I don't know about it , can you change it, you can have modern and different but I think your tv unit is mid century style and table is Well I don't know what style it is than you say you want tribal . As someone suggested earlier , stop shopping before you move in it might be all wrong and your taste and ideas might change by then. Trick in decorating is to be patient and only buy when you are absolutely sure that you can take it back. Ha ha.

Before replacing your curtains as this can be quite expensive for such a large window, if they are in good condition, add a band of extra fabric to the bottom in what ever suits you, your existing curtain track can then be moved up to the ceiling for good looking full length curtains without the large round eyelets, could save you a lot of money, I would look at replacing/removing the sheers cheers