The Sunrise period for the .pro domain name, the domain name for professionals, draws to a close tomorrow.  One registrar, Encirca, is having an end-of-sunrise period sale, offering prices much lower than other registrars.  There are two types of ‘sunrise’ protections, ProGuard and ProBlock (but no SunBlock), explained here.

ProGuard ProBlock
EnCirca $600 $1,600
Registrar X $995 $2,950
Registrar Y $950 $2,850
Registrar Z $896 $2,699
Background info on dot pro here, and here.  Disclosure: Encirca is a client.