Could someone recommend me to me a good AMD Radeon card for 2d?

[guitarfreak]

Hello all, I was wondering if I could get some recommendations on what 
the best fully supported (by current/impending 5.5 release) AMD Radeon 
video card is?  I'm primarily interested in watching HD video,but 3d 
acceleration is always nice too and I'm looking to future proof as much 
as possible.  I'm a Linux/FreeBSD user interested in switching to 
OpenBSD for my desktop, but made the mistake of buying an NVIDIA card.  
Thanks in advance for your time!