From owning a pair of the giant squid audio mics, i wouldn't buy them again. Yes, they are cheap and you can get them now but I haven't been impressed with them. When I first got my minidisc and didn't know what I wanted to record, they were fine but now that I know what I want to record (really loud things like music) these would not work well and wouldn't be worth your money. Save it and buy something else. What should you buy? Well, I don't know I am not the expert but read what people will write you and more importantly, go to archive.org and check out some of the mics. Most of the people here will tell you Church, church, church or audio technica style from soundpro.com.
right now I am liking the CA-14s and his 9100 pre-amp. Of course, this is way over your budget but keep looking around.
btw, how much do you like your jb3? I'm getting one pretty soon.