When it comes to Budapest cruises, Silverline Sightseeing Cruise is a solid choice with friendly staff and a comfortable meeting point, but it doesn't quite stand out from the crowd.
Unlike most cruises, Silverline's cruise ticket does not include a welcome drink. However, the price is on the low-end. If it were not for their out-of-the-way location, I would recommend the Portum's similarly cheap cruise in a heartbeat.