If you have mega websites and are on a limited budget or just looking for cheap hosting recommend you take a look at Tech Entrance. Very reasonable monthly rates for both shared and proxy hosting services.

Friendly support 24/7.
99.9% Uptime guarantee.
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Softlayer and FDC data centers.
Oct core (8 CPU) Xeons with 8GB RAM.
cPanel 11 with Fantastico and RVSkins.
Automatic WordPress installations
30 Days non-questionable moneyback guarantee.

Have been with them for 6 months without any issues-to-date.