"For typical audio production (balance of audio tracks and virtual instruments), the 3770k at 4.5GHz is a great fit. The 1155 motherboards max out at 32GB of RAM, but (again) that's not an issue unless you're an extreme case. By the time 32GB is a limitation, you'll likely need a new machine (several years down the line). "
Are you referring to these:
ASUS P8Z77-V LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard