What are some alternatives?
When comparing uHost and Rackspace, you can also consider the following products
Infinity Free - Infinity Free is a free web hosting company. You can 3 websites for free.
000webhost - Zero cost website hosting with PHP, MySQL, Cpanel & no ads!
RoseHosting.com - Fully managed Linux VPS hosting provider
AWS - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.
HelioHost - Community powered free hosting for everyone.
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.