If Magento is hosted on a shared server and 'PageCache powered by Varnish' is out of the question, would anyone recommend some of the other Magento page cache plugins like:

http://www.magentocommerce.com/magento-connect/performance-booster.html

http://www.magentocommerce.com/magento-connect/zoom-full-page-cache-1742.html


Are they all 'just not worth it'?, is there one that stands out from a bad bunch?


Cheers,

Les