I use this 25W Antex for general soldering of motors etc
http://cgi.ebay.co.uk/ANTEX-230v-25W...d=p3286.c0.m14
And i use this 100W version for instant heat when building batteries
http://cgi.ebay.co.uk/ANTEX-100-WATT...d=p3286.c0.m14
Superb bits of kit - replacement tips of various sizes available
HTH