Microbiology...sounds like an awesome field. Although I have to admit...I HATE doing lab reports. The lab reports from general chemistry were SO freaking boring...I'm glad my neuroanatomy lab uses lab practicals...otherwise I'd be doing more mind-numbing lab reports.
I had an instrument-based lab. The reports were terrible. I had to write a few pages a week about the principles behind GC or HPLC or some other research instrument, not to mention data analysis, etc. The labs never worked, so it made the reports suck. So, essentially, I feel your pain.