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You have used various shades of red but none of them really match up. For instance the main attention seems to be focused on the center of the website that contains the calls to action, then the header.
 
The contrast is too high between the subtle background and the large red headings, this makes them distracting and your eye can't follow the page as it normally would. Perhaps define the sections a bit more and give them some whitespace to allow the design to 'breathe' a little, this will improve the readability massively.
 
Also consider what other colours have been introduced from things like product imagery and icons, these can also play a part in affecting the readability as they sometimes draw unnecessary attention, if their not placed correctly.

I can't personally see much wrong with it, looks like an alright site. If I had to be picky the black menu doesn't seem to match the rest of the site and the banner. Also the asterisk in the section "next day delivery" doesn't look quite right. But that's about it and that is being picky!

Shame really and because of this people are starting to prefer to do their own SEO, I know we do. There are some really great SEOs out there but it's like finding a diamond in the dirt. Another problem is some black hat SEOs earn a lot more money than white hat.

It seems like anyone will do anything to get a backlink these days. I had a client thought it would be OK to pay by an eCheque though Paypal for an advertisement and cancel it as soon as he was listed (without notifying me).
 
Shame that there are dishonest people out there giving real SEO analysts a bad name.

Yep, unfortunately I think it will given the unregulated and global nature of this business it will long be an industry full of snake oil salesmen. Just have to do the best you can to offer an alternative to the bad guys.

I can't vote as I haven't used MAC enough to cast a fair vote. Hoping to get one in the future though. Linux on a PC at the moment is a win!

Like said by one of the others, I would check reviews on Web Hosting Talk then check the offers section from a host you see is receiving great reviews. Try to avoid the unlimited hosts.

I preferred the third link. The first seemed a bit dark and the second seemed to clash.