Hello,

Do you think this keyword "Fast and Reliable Hosting" is a good one?
Also, would a top 15 ranking for this keyword on google would give any traffic ?

Try a few of these:
https://adwords.google.com/select/main?cmd=KeywordSandbox
http://inventory.overture.com/d/searchinventory/suggestion/
http://www.digitalpoint.com/tools/suggestion/