One can find information such as all gold ETFs in Europe on interactive Brokers, or on Financial Times. These information databases contain the most recent information on gold ETFs.
To find a list of healthcare ETFs, Morningstar gives a very comprehensive list. The list not only gives the names of healthcare ETFs, but it also shows the ETFs performance ratings.
You can find a list of Canadian ETFs on various websites like TMXmoney and ETF. Both websites offer a great amount of information, including a list of Canadian ETFs.
The Stock Encyclopedia has a list of all ETFs broken down into categories: http://etf.stock-encyclopedia.com/category/
You can find a list of the best ETFs on the bloomberg site. You can also double check at other money sites.
The best place to locate an updated list of silver etf's is ETF Stock-Encyclopedia.com. You can also find links to other silver etfs through various sites such as Kitco.com and Silverseek.com. You can find a list of silver ETFs available for online purchase at http://etf.stock-encyclopedia.com/category/silver-etfs.html. ETFs are exchange traded funds and can be purchased at any broker offering online trading.
A full list of Currency ETFs can be found on Stock Encyclopedia, ETF Database, Seeking Alpha, Wall St Cheat Sheet, ETF MarketPro, Shcoked Investor, and Pattern Stocks.
You can find an ETF list for the commodity market at seekingalpha.com › ETF › Commodity ETFs. You can also try out etf.about.com/od/commodityetfs/Commodity_ETFs.htm
The best list of bond etfs is debatable, and you would be best off going through your local insurance agency or like places to figure out what is needed.
Currency ETFs stands for currency exchange-traded funds. http://etf.stock-encyclopedia.com/category/currency-etfs.html contains a full list of currency ETFs, which are split into sub sections.
It doesn't look like you can buy into ETFs online. A Google search for "buy ETFs" doesn't give a single link to buy on the first two pages. All the results are investing strategy articles. You can't buy into ETFs online, apparently. You have to go to a broker. Here's an article about how to get started in oil ETFs: http://etf.about.com/od/etfinvestingstrategies/a/Invest_in_Oil_ETF.htm
Here is a partial list of ETFs that include SUN:DIGELRIEOIVVIWDIWNIYESPYTMWXLEhttp://www.marketperspectivesllc.com
Yes there are still ETFs that pay good dividends. There is a list available of the highest paying ETFs at http://etfdb.com/compare/dividend-yield/