I agree with Jenni and Cfetherston, it is hard to comment on your logo as we don't know the type of industry and the type of message you want to project. At this moment in time the bottom two logos could be interpreted as logos for a cheap beauty salon. Sorry I could not be of any help.
Chris
Threerooms - Creative Design Company in Nottingham (Midlands, UK) - Graphic Design, Corporate Identity, Branding and Website Design