MSI announced five new video cards, all of which are targeting the HTPC market. The new cards all utilized Radeon HD 4670 or 4650 GPU's, all have HDMI onboard, and all are bus-powered.
All of the cards in MSI's R4600 HDMI series have Hi-c capacitors and solid state choke's, normally reserved for higher end cards. The R4600 series all use a maximum of 75 watts, allowing them to stay cool and keep the noise down which is ideal for HTPC implementation.
The MSI R4650 will be available in three varieties. Al have a GPU clock of 600MHz and memory clocked at 1GHz. Two have 512MB of GDDR2 memory, differing only in active/passive cooling solutions, while the third is available with 1GB of GDDR2 and active cooling.
MSI R4670's have a 750MHz GPU clock and a memory clock of 1.746GHz. Both of these cards will have GDDR3 and active cooling while letting you choose between 1GB and 512MB of memory.
The full press release can be found here.