I'm a big fan of the internet phone system by Ooma - there are several threads here by users, see also the discussion by Woot members at the Woot page.
The website Woot has refurbished Ooma Telos on sale today only for $140 + $5 shipping. Woot does one day only sales, so if you want this grab it today.
My Ooma VOIP phone
No stock in the company, no commission from Woot, but a very satisfied Ooma and Woot customer.