I reckon you should sell them all and get some Series 500 plossles...
Seriously good mix of EP's you have there, maybe something to fill the gap between the 16mm and the 35 Pan. I doubt you would get much use out of the 5mm Radian, 560x is pushing it and you can get almost that
if the conditions ever warrant it with the 11mm barlowed, but I'd keep it anyway just in case you get one of those push to dobby thingys or maybe a nice refractor (5mm = 120x on an ED80).