johnthefilmer said:
1. I would like to keep it around or under a few hundred dollars.
2. I can't imagine myself recording more than 8 channels at a time. Then again, more channels to play with couldn't hurt if they aren't terribly more expensive.
For 8 channels under "a few hundred dollars," you're probably looking at a small mixer, or a mixer + a couple of outboard pres (to add some flavors).
The Yamaha MG and Soundcraft Spirit mixers are reputed to have decent pres for not much money. An alternative, specifically for computer-based recording, would be something like the Presonus Firepod, which has 8-pres in a FireWire interface.
For stand-alone pres that aren't a whole lot of money, you may want to look into the following:
1-channel:
Studio Projects VTB-1
Rane MS-1B
Groove Tubes Brick
2-channel:
M-Audio DMP3
FMR Audio RNP
Channel Strip (usu include compression/eq + pre):
Joe Meek ThreeQ
M-Audio Tampa
3. Rock music. Electric guitars, electric bass guitars, acoustic drums, and voices. I only have a Shure PG56, Sennheiser e835, and some Radio Shack unidirectionals, but I'm looking to gradually build my collection. What kinds/brands/models should I keep an eye out for to record heavy electric guitars, deep punchy bass, and clear thick drums?
You'll want more mics, especially if you will be recording drums and vocals. I would suggest adding at least one or two nice Large Diaphragm Condenser mics for vocals, a pair of Small Diaphragm Condensers for drum overheads and acoustic guitar duties, and several more dynamic mics for drums and electric guitar recording.
Some decent choices:
Dynamic mics:
Shure SM57 - a workhorse mic for snare drum, guitar cabs, etc. not always the best mic for the job, but will usually get the job done.
Sennheiser e609s - another good choice for guitar cabs, etc. that isn't much more than a 57, pricewise.
Sennheiser MD421 - probably better for guitars, toms, etc. than the 57, but more $
AKG D112, Shure Beta 52, ATM25 - these are pretty standard for kick drum
Shure SM7, EV RE20 - these are great all-around mics for vocals, guitar cabs, drums, etc. A little more $, but a nice investment.
Small Diaphragm Condensers:
On a budget, the Studio Projects C4, MXL 603s, Oktava MC012 are all decent choices for most acoustic instrument duties and drum overheads.
Large Diaphragm Condensers:
Audio Technica, MXL, Studio Projects, Rode, and others all make decent LDCs for vocal (& other) duties that won't kill your wallet. Use the search function for "vocal condenser" and you will find more recommendations than you would ever need.
Good luck.