I've been using a 40w soldering iron that i got from maplins about 2yrs ago , was in a sale at about £20 !!
and use this solder ..
http://www.ebay.co.uk/itm/SILVERLINE...item43c200a114
i find it really good , easy to use and you get a nice shiny joint .., ive never had one break ............ yet !!!