At this point the cheap LAMP shared hosting field is basically EIG* on one side, GoDaddy† on the other, and all the small companies in between getting squashed or acquired by one or the other.

* They own Hostgator, Bluehost, Startlogic, Bizland, iPower, Startlogic, Fatcow, iPage, JustHost, MyDomain, Homestead, NetFirms, and a couple dozen other companies.

† They own MediaTemple, Wild West Domains, BlueRazor, and I think a couple of other companies.