It is possible to find out more metronomes - nice one is
http://simple.bestmetronome.com/.
Another usefull page and also metronome -
http://www.all-guitar-chords.com/metronome.phpAbout the solos with click. I think it's important to be able to play with click, especially if you are recording. On the other way some really good songs are a little bit offbeat, I mean not perfectly with metronome. Great musicians simply feel the groove.
But on advertised Korg MA-30 you can set triplets too... for practising. And when the triplets are in the middle of 4/4 song, just learn to play them also with eightthnotes click. Than counting became nearly a "mathmusic" fun.