SuoYuC The inductor blew, and I couldn't get the 17m tuning knob to move. I ended up having to build a winding stand, and the homemade B&K is quite inaccurate.
BI1JNP The 750 has very little directional sensitivity; if you want to use it, you'll need a rotator, otherwise it will affect the performance.
BG5BNW Spider web antennas are actually not as effective as a Yagi antenna, but they save a lot of space.
BH3XZT The HB antenna I've always wanted, but now there's the jyr322 version, so buying another antenna would be a waste.