Well there is a website just for iShares, called iShares, and there will be all the information that you need on there. Also you could go to your bank to find out about this.
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.
One could find information on the listing of Exchange-Traded Funds on the internet. One site which provides this information is called stock-encyclopedia and has list of stock, bond and commodity ETFs.
The average cost of health etfs is about 55 basis points. You can find more of this information at www2.timesdispatch.com/rtd/business/columnists
I think the best choice for someone to find the best ishares out there would be to go to the ishare website because it is the world's largest family of exchange traded funds.
Some of the most profitable international stock ETFs are: GLD, EEM, EFA, VWO, SPY, EWZ, HYG, QQQ, SLV, and FXI. You can find information like this on websites such as the ETF database.
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.
Here's an article that suggests the top five metal ETFs: http://www.metaletfs.com/2009/10/18/the-top-metal-etfs-revealed/ . Note that this is just an opinion, so do your due dilligence.
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.
Exchanged traded funds are the most reliable place for Gold Miners ETFs. On the exchanges one can find ETFs specific to pure gold miners, gold and other precious metal miners, gold explorers as well as variations such as junior miners.