All depends on what you currently wear now, which I guess is briefs.
You may find on days, you welcome the total free environment that boxers give you, especially on hot days, but if you are doing any activates, then boxer briefs are better suited.
Myself, was briefs till aged 11, went boxers, and about 6 years back, went more boxer briefs, with the army trunk styles from C-in2 being my prefered choice.
I have actually tried jocks once, but to date, I have yet to find a jock comfortable enough to accommodate myself, without my balls falling out, which most of these fashion type jocks have a habit of doing.
However, I have just ordered a C-in2 Jock, that I am hoping will work for me, especially with the amount of cycling I do.