Here's one of my favourite Sebo videos. I remember watching this when the X1.1 and X4 were launched. It's very informative.
[MEDIA=youtube]T1O14KIOO-g[/MEDIA]
Also, Nar, the X1.1 is still on sale with an 1100w motor.
Let us know how you get on with it, Emma. They're very solid, reliable and efficient cleaner. Some people aren't a fan of the automatic height adjustment but I love it. Give the house a clean and then have a nosey in the bag and see what you've picked up. Speaking of bags, the new fleece style ultra bags are brilliant - you can really pack them full with very little suction loss if at all.
[URL unfurl="true"]http://www.amazon.co.uk/gp/aw/d/B00NSM16RI/ref=mp_s_a_1_1?qid=1440926894&sr=8-1&pi=SY200_QL40&keywords=sebo+x1.1&dpPl=1&dpID=31T1gnI%2BdeL&ref=plSrch[/URL]