I left Windows for Linux specifically because of Vista and have never looked back. Just about all Linux distributions are good. Ubuntu is the most popular. Mint, based on Ubuntu, and Fedora are probably the next two most popular. All three have excellent user forums when you need help.
Tanker Bob's Blog
Gigabyte EP45-UD3L MB, Q9650 Core 2 Quad @ 3.3 GHz (OC), 8 GB OCZ Platinum DDR2 SDRAM, EVGA GeForce 8800 GTS w/640MB, 40 GB Intel SSD, 2.0 TB x2 SATA RAID1, Ubuntu 12.04 x86_64