Hello all. My name is Alex - I'm 29(30 in 2 months

) and like most of you I have decided that I need to make an arcade cabinet so I can enjoy all those games the way they were ment to be played.
I have been browsing these boards (as well as some others) for about 2 weeks now looking for information and ideas. I have my CP layout all set the way I like it and need to order all my supplies (sticks, buttons, etc.) I thought I was doing good at all my planning and research, getting prices and figuring what I needed. Then tonight I see the link for RandyTs' new encoder and now I need to re-think all of it

.
I'm planning on 7 buttons per player, 2 player starts, 2 coin drops(unless I get a coin door, but that won't happen for awhile), a track ball with 3 buttons over it and I was thinking 6 "Windows" buttons across the top. Is 6 buttons to many? I don't wanna over do it, but if I don't have enough I'll regret it.
Is the Hagstrom Mouse interface the only one out there or are there other cheaper ones? I love the KE72 from hagstorm but with all the extras I need with it, it gets kind of expensive(about $180

). I need simple in terms of connectivity (I can't solder to save my life) but I also want least expensive as I am doing this with my "allowance"(married guys know what I'm talking about

)
OK, I've rambled enough-any ideas, thoughts, suggestions, links, and general bad mouthing of my ideas are welcome and appreciated

.