Ski boot shopping has become a lot easier now that you can compare features and prices of various makes of ski boot on the internet. The bottom line is that you should buy the best kind that you can afford, such as Salomon ski boots, which have a wide range of styles and sizes for every skiing situation. The internet makes it possible for you to read ski boot reviews where you can find the views of people just like you on various types of ski boot.
Any Salomon ski boot talks to me. I personally am a great fan of the Salomon ski boot but others swear by Nordica ski boots. It's a matter of taste and opinion partly, but it also has to do with your weight, height and skiing style as to what will be find in anyone's ski boot bag.
Most manufacturers make a distinction between women's ski boots, which tend to be more feminine looking and not quite as heavy duty as mens ski boots. My wife wears a dinky pair of Atomic ski boots but there is nothing in the Atomic range that appeals to me particularly, which is the proof that the manufacturers differentiate their ranges for different market segments.
When shopping for ski boots online, first visit the manufacturers' websites to learn about the range and to get a feel for the price. Then go to major retail websites like eBay and Amazon and check out what they have. Finally to to specialist ski online stores, where you are bound to find a better deal.