But I'm having a 1940s moment and dreaming of fairisle tank tops (or having a frumpy moment, you decide). Get yourself the genuine article from the Anderson & Co Shetland Warehouse in Lerwick which stocks a huge range of hand knitted fairisle woollens in a variety of colours and patterns - a fantastic price of £129 for the slipover.
Alternatively, if you're handy with the knitting needles buy a pattern from Jamieson & Smith to make yourself something like this:
Or a pattern from The Vintage Knitting Lady 'cos surely you want to look a little bit like this:
Absolute beginners on the knitting front should start with this book: Purls Of Wisdom by Jenny Lord, available from Amazon (of course) which I'm told is great.