Port wine has a higher alcohol content than most other wines, so a little goes a long way. It is a sipping wine rather than a drinking wine. Personally, I'm a fan of ruby port, which is slightly fruitier than tawny. Tawny is aged longer and has a slightly nutty flavor.
My very favorite port is Graham's Six Grapes Reserve Port. It costs about $20 a bottle. As ports go, it is probably a mid-range price, but I've tried several of the less expensive brands and most lack richness and depth. Most wine lover recommend serving port in an oversized glass to better enjoy the aroma, but I don't. I have some very pretty crystal glasses that I like, so I use them instead.
So far, I've been afraid to try any of the expensive vintage ports. Vintage ports can be very price indeed. I think I'm afraid I might fall in love with one and never be able to enjoy my affordable port again. Then I would either have to go broke or go without.
Happy new year, everyone!