I find that one project at a time works well with me. I learned rather quickly that managing multiple sites takes a ton of work. I do it full time and with 4 sites it is a full time job for me. Hope this helps.

Hello Gil,
I would like to suggest you some changes with whatever knowledge I have.

1) First of all please remove the Calender widget.
2) If anyone wants to reply on any of your posts, the person first needs to be logged in. What I feel is, you can rather put a comment, email field so that people can comment on the post regardless of login id.
3) You can have an opt-in subscription form in your website(other than the RSS icon).
4) Also, the RSS icon can be placed at some better place. Maybe you can have a FB like button, RSS button and Twitter button (FB and Twitter really help you gain popularity for the website).
5) Also, you can have Home, About Me, Contact Me, Privacy Blog,etc. in one navigational bar. That would give a better look and feel to the website.

Hope you find the above points useful in some manner.
Thanks and Have a great day!! :)

jgy0404, I responded to one of your websites on your profile page. Please take a look as I gave you some helpful tips.