Almost all gadgets I need to charge these days are USB so I just use a multi socket USB charger. One mains socket, multiple USB. My current one is this. 1A sockets with one 2A. Like that one as it has a cable run to the mains and it can sit on a desk.
Note that many USB devices will slow charge at 0.5A from some chargers as they assume by default they are drawing power from a PC. You can get dongles that sit on the end of a USB cable that make them draw at a higher rate where possible.
Various things here including the fast charge dongle things, fast charge cables and multi USB chargers designed for fast charging etc. – http://www.portablepowersupplies.co.uk/
Though I find my Dell tablet needs the proper Dell charger to draw enough power for it to charge fast as standard 5V for USB isn’t enough even at 2A.