Q: What would be the best way to get exposure to US Treasury Bills for inclusion in a registered account (assuming no tax hit from holding them there)?

Q: I am looking for an etf that allows me to buy long-dated US Treasuries in canadian dollars. In other words, like TLT but in CAD.

Q: Up until now I've only invested in canadian dividend stocks and ETFS in my non registered to take advantage of the favourable taxes on dividends. My RRSP and TFSA are balanced across all asset classes. But now that my non-registered account is growing, I'm thinking about adding the other asset classes in. Are there any kind of bond etfs that are more tax favourable for a non-registered? And what about US and Intl etfs... any that are more tax favourable?