Alrighty ....

1. Style, design, first impressions.
You have none. Imagine you are meeting a prospective investor/client/supplier. Are you just going to roll out of bed slap on a t-shirt and jeans?
No, you'll shower-up(hopefully), slap on some cologne/perfume and throw on your Sunday best. The web is no different.

2. Website/Ecommerce (Paypal)
Paypal's shopping cart is brutal
Invest in a real shopping cart system. Also, by only offering paypal as a payment option is going to handicap you.
One of the irritations, is that clicking on the "Add to cart" button opens a new window and off-site. Website owners are forever trying to keep visitors on their site, but by you using this cart, you are practically opening the door for them to leave.

3. Contact link
Your contact link links to your email address, but most people will think it goes to a contact page, which will be annoying. In addition, you are relying on people being in the comfort of their own home and using an email client like outlook, thunderbird, etc..
But this will not be practical for those that are viewing your site (from a friend's computer, a public library, an internet cafe or even someone who uses hotmail, gmail, etc)

Better to use a contact form.

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----Don't Call Me Brian----