I like them TBH, Like Katex i find then theraputic. I know that wildlife lovers complain that they kill a few birds but we do have a responsibility to look for alternative methods of generating electricity if we want to be so dependant on it. I was in B&Q yesterday and just as you walk in there was a stand showing off 'personal' wind turbines and solar panel water heaters.
heres a link
B&Q Online