Thankyou for your answers, nothing like waiting for a while to get more informed!
https://www.amazon.com/gp/product/B0000AJB80/ref=ox_ya_os_product
so this is what I’m starting with –
Smith Victor KT900 3-Light 1250-Watt Kit
I hope this is a good start, they’ve got a good rep and it’s not totally dirt-cheap, so I expect to add to this, perhaps there are some suggestions?