Alexa Toolbar should be taken into consideration. If you used to it, browse your website 2 or three times, a day would get your site index and also might help increase traffic rank.
Currently I am using only one SEO tool and it is Scrapebox and I am not using it for blog commenting as there is so many other things to do with it like PR checking, backlink checking and much much more
I select SEO Quake as gives many information about the site as Google backlinks, google index pages, yahoo backlinks, bing backlinks, age of the site etc.
XRumer of course! Many people says that it simply don't work anymore because of all the recent google panda update but to me, it's just depends on how you use it.
here is some Seo tools Google Toolbar Rank Checker ( Firefox ) Nodofollow( Firefox ) Page Cache ( Firefox ) Web CEO SEO SPY GLASS