Things to do

I do not know what your into either it is PVP or PVE when you play Guild Wars but has you mentioned an hobby. hmmm.
Why not try 55 monk/nec in hard mode in Dasha Vestibule (Nightfall) and clean the whole area of Djnns + co.
A normal 55 build with Spoil Victor and Parasite works wonders in there.

If your not into 55 stuff and have an ele or sin, try getting a team of your guild mates together and try to clear Tombs of Pre Kings in Prophecies with a E/A or A/E Team.
Think the build consists eiher Earth or Fire Magic then using Shadow of Haste and a few more sin skills could make it an interesting project.

Try saving up money and filling up your storage with materials for new armors sets when Eye of The North is released in a months time.

These are top of mind suggestions that you could try if your bored and good luck on finding the hobby that your looking for .

Make a character in pre searing. For the fun and not the LDoA title

One of the titles that I had the most fun getting was the Skill Hunter title. There's the challenge of beating a strong foe and the fact that you have to face different enemies in different places negates a lot of the "grind" aspect of it.

Collect teddy bears.