Got bored, decided to search and see what was on the market at the moment. Brace yourself;
BIOSTAR H61MGV3 LGA 1155 Intel H61 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813138386
ECS H61H2-MV LGA 1155 Intel H61 HDMI Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813135343 (reviewed here)
ECS H81H3-M4 (1.0A) LGA 1150 Intel H81 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813135360
BIOSTAR H81MHV3 LGA 1150 Intel H81 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813138407
ASRock H81M-DG4 LGA 1150 Intel H81 SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157586
ASRock FM2A58M-VG3+ R2.0 Socket FM2+ 95W / FM2 100W AMD A58 (Bolton D2) Micro ATX AMD Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157569
As you can see there is a theme to the above boards (PCIe x 1 and PCIe x 16) :/
If you spot anything else on the market, post it! Make sure it's currently on the market though. (post it with a retailer link). It seems the AM3+ M-DTX board I bought recently has gone EOL -_-
BIOSTAR H61MGV3 LGA 1155 Intel H61 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813138386
ECS H61H2-MV LGA 1155 Intel H61 HDMI Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813135343 (reviewed here)
ECS H81H3-M4 (1.0A) LGA 1150 Intel H81 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813135360
BIOSTAR H81MHV3 LGA 1150 Intel H81 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813138407
ASRock H81M-DG4 LGA 1150 Intel H81 SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157586
ASRock FM2A58M-VG3+ R2.0 Socket FM2+ 95W / FM2 100W AMD A58 (Bolton D2) Micro ATX AMD Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157569
As you can see there is a theme to the above boards (PCIe x 1 and PCIe x 16) :/
If you spot anything else on the market, post it! Make sure it's currently on the market though. (post it with a retailer link). It seems the AM3+ M-DTX board I bought recently has gone EOL -_-