Has anyone had any experience with the Yale antisnap cylinder? http://www.toolstation.com/shop/Ironmongery/Cylinders/Yale+AntiSnap+Euro+Double+Cylinder+3030mm+Brsh+Nickel/d170/sd3082/p11945
Toolstation don't say much about the other cylinders that they sell, so it is hard to compare specification. The Yale appears to cost about five times as much (£30 rather than £6) but that is money well spent if it keeps criminals out.
Screwfix sell some the antisnap but also some Yale cylinders without it for about £15 http://www.screwfix.com/p/yale-euro-cylinder-bs-35x35-sn/67587 Apart from not having the antisnap feature, I don't know how they compare in all other regards.
Screwfix also sell other makes but I haven't heard of them.
What do you think is the best (most secure) cylinder lock to buy?