I believe both ppcmanagement (desktop solution) and gotoast (web based solution) offer google support. You can get software to just monitor your positions (free and paid listings), but they're not ideal for bid management.
GT can make 'guesses' at what bid you need for a specific position in AdWords, and they are kinda accurate (and in some cases scarily accurate and its made me wonder for the two accounts I use it for if the competition was using GT as well and thats how it knew). The problems arrives when you set up accounts with a higher max CPC than necessary for bid rank purposes - GT does not understand the pratical application of the formula.
GT is decent if you just want to monitor your positions, and not adjust your bidding with it. But you could log into your AdWords account and get the same info - GT is easier if you are monitor many AdWords accounts at once and don't want to constantly log in and out of AdWords. I don't think any current software package can properly manage AdWords as well as a human.
GT comes close to human abilities in OV and similiar bid type PPCs, but still not as good as someone looking at the competiton stratedy and devising bids. But it can handle rules based bidding pretty well.