As gunmetalzgt indicates, are you sure the 'clicking noise' is coming from the front and not the rear -as there is a regular problem of 'clicking rear axles' - do a search on here. If it is that, it is not a major issue - more of an irritation but ZMANALEX will sort you out with parts if that is the problem.
Otherwise, I presume its not somthing simple like a stone or nail in the tyre, or possibly a stone (or something) caught between the backplate and shield?
As for your gearbox noise that sounds like it might be a clutch release bearing issue - again a known problem. Although they are known to rumble on tickover and low speeds (that's not a problem in itself), but the fact you have a loud noise at speed as well as when stationary does suggest its the release bearing breaking up, and/or possibly the clutch/flywheel is damaged. Is the clutch slipping - test in high gear and accelerate hard to see if the revs rise under load but the car does not respond equally.