XE has become the world's favored way of comparing the values of currencies. The XE universal currency converter at XE.com is free, easy to use, uncluttered, always available and just a joy to use. If you need to convert currencies fast in your business, then the XE currency convertor is for you. Say for instance someone is offering you $200 US dollars for goods and services but you are in a country such as South Africa. By going to the XE money converter and keying in "US Dollar $200" and "South Africa", the XE currency exchange will rapidly tell you the value of $200 in rands, which is the South African currency.
There are dozens of currency convertors available, but for cleanness of design and ease of use, ww xe com wins hands down. You can also have it on your PDA, so if you need to do an XE currency conversion while sitting in a meeting, or sitting in Starbucks for that matter, you can quickly do the conversion. A lot of people input Windows XE into their computers when the "e" should be a "p". Don't make that mistake.
How reliable is the XE exchange rate? It is as reliable as anything out there. You can make commercial decisions based on the exchange rates given at XE. The XE website is incredibly focused. The folk at XE have resisted the temptation to clutter the website with all sorts of extraneous doodats and advertisements. May it go from strength to strength.