I'm about to complete my first semester of second year at University, and I'm going to buy myself a pen and some ink as a reward. I was strongly considering the TWISBI Vac 700 but apparently a few people have had problems with those, so... Here are my 'wants': Capable of taking a Goulet #6 nib, as I have one in a misbehaving Ahab that I'd like to swap into a better penCapable of filling from a bottleNot too heavy (Faber-Castell Basic weight or less)Nice grip section, not too slipperyCapable of postingAny suggestions?