Another thought would be a pair of CAD M179's. Mind you, this is only regurgitated info since I don't own a set myself, but they have gotten some good reviews here and on a few other forums and can be purchased for less than $150 each. They have multiple patterns so would be very versatile.
And while it's probably more of a one trick pony, the CAD M9 does nice tricks on vocals, IMHO. Worth considering as a vocal mic, since good vocal mics tend to be not so good at general (e.g. instrument) recording and vice versa. If you aren't doing vocals, then obviously this doesn't apply.
If you're looking for another inexpensive mic that IMHO is a good mic for a wide range of sources, I rather like the AT2020. They're pretty inexpensive cardioid MDCs. They're 2/3rds of an inch or so (the same as the AT2021), which makes them larger than most SDCs but smaller than the 1 inch lower limit for LDCs. They have an LDC-style headbasket, which makes it more transparent. It's also an electret condenser, which makes it less sensitive to undervoltage phantom power than true condensers, thus making it an ideal choice for folks starting out with potentially substandard gear.
For bongos, you might also consider a dynamic mic, though I can't say I've ever tried it. I'm not usually a fan of... well... most dynamic mics (particularly anything made in about the last two decades), but I've had good luck on congas using a pair of really cheap dynamics: a PG57 for the blow hole mic (put a foam windscreen on it and sit it on a carpeted floor pad) and
a Shure 565SD to capture the crack at the head end. EQ to suit. The PG57 has no high end in that configuration, but that's okay, as the mic below a conga is mostly capturing the warm boominess anyway. The 565SD with a decent pre captures the crack of the head nicely.
For bongos, though, if I were trying to use dynamic mics, I'd use a pair of 565s. I bought my 565 for $12 on eBay a few years back, but they usually go for $20-30. They're a lot less dead sounding than recent SM5x series mics (though IIRC the SM57 and SM58 from the early 80s sounded better than the current ones, so you might also hunt for those).
Another thing that worked well for me on bongos is mid-side miking. I used an AT2020 for the mid channel with a Studio Projects B3 in figure-8 mode for the side. Placing these mics a few inches above the bongos drove me nuts playing them, but gave a very interesting stereo spread to the sound which I could then compress to be as narrow or as wide as I wanted it within the mix. Whether this is desirable or not depends on what you're going for.
I just bought the Red LDC caps from vintage microphone for them and am very happy with the purchase. Talk about versatility! Once I get them modded and add a pair of omni capsules, I should just about be able to recording anything with them!