For your keyword research try using KeywordSpy.com - a keyword research technology that will help you know what keywords your competitors are using and how it generates money for them, you can use those keywords to drive traffic to your site and give your business the exposure it needs. It offers Free trials.-
Tool meant for Adwords advertisers to search the keyword phrases and see relative search frequency and cost per click. Rather than reporting numbers, Google reports a rating from 1-5 giving relative amounts.
This is a query tool offered by Overture (now owned by Yahoo) that lets you query Yahoo's record of search terms and frequency. This is meant to aid advertisers on the Overture network learn what terms to bid on.
KwMap.net is a complex keyword refining tool, aiming to help you discover new keywords. It is a fact that search engines can only help you in finding something if you know the right keywords.
KwMap.net runs on a multi-gigabyte database of keyword inter-relations. You can search all common concepts and you will be presented with related keywords (eg. 'car' -> 'wind shield', 'formula 1', 'bmw') and keyword variations (eg. 'car' -> 'car parts', 'car insurance', 'rent a car'). We also run pertinent links associated to most of the keywords.
Comprehensive tool for keyword research. It shows fully comprehensive data including the number of searches, number of competitors, cost-per-click, and other factors related to determining which keywords for which to write content.
Keyword Discovery collects keyword data from many different search engines world wide and compiles a range of search related statistics.
Knowing what exact search phrases customers use to find your products or services enables you to maximize the available search engine traffic.
The reason for this is quite simple. If your web page does not contain the exact search keywords a customer is using, your page will not be found in the search engine results. Basically this means fewer potential customers visiting your web pages.
Secondly, identifying all the relevant keywords to use in PPC campaigns, such as Google AdWords and Yahoo Search Marketing, provides better coverage and increases ROI. You can target keywords individually setting CPC rates to suit each term, which improves ROI, as you do not need to rely on broad match options which are well known to generate lower conversions.