I think I'm being seduced by the colour side of the force...

I miss having a duplex colour printer just often enough that I've been checking the prices for them again... and found this

http://www.misco.co.uk/Product/Q205723/Samsung-CLP-620ND-Colour-Laser-Printer

Works out at £173 for a duplexing colour network laser once you take the cashback offer into account. I'm not going to go for it, realistically I just don't need colour that much, and the little inkjet I got is actually better than a laser for photos etc., but it might be of interest to others.