First of - make sure you're on a classic account. These accounts provide HUGE advantages over normal accounts - you get to join 51-59(60) AV and will be able to play regularly in the normal BG's as opposed to anyone with locked XP.
But gearwise;
Well - warriors and pallies have it easy; Get a bit of the tier 2.5 from AQ40 and combine it with either the HWL (Grand Marshal?) weapons or Dark Edge of Insanity from C'thun. Basically every BWL and upwards weapon works, but that's definately the better ones out there.
The World of Warcraft Armory - Thunderhero @ The Maelstrom - Profile <-- Changes gear quite abit, but he's completely classic geared.
The World of Warcraft Armory - P <-- Usually wearing some classic prot gear, but if you catch him in his TBC gear he's got like 14k hp UB.
Most characters find themselves using the TBC-trial in order to skill up professions to 375 or 450 in some cases. Furthermore you can do several quests in order to get a lot of sockets and several items from ramparts are very useful.
character planner . warr lvl 60 - chardev.org <-- a quick reference to show the use of gems and how much they mean to your character if used properly (100% armor penetration @ 60 :< )
For a rogue I'd say do something like this:
character planner . 60 pvp combat dagger - chardev.org (thank you someone, found it in a random post)
It has MASSIVE HP along with a whole bunch of damage - the 3 parts tier 2.5 provides an extraordinary bonus PvP-wise along with superior stats. You can of course change enchants and gems as much as you like
But basically, just scour through some of the older posts, there are plenty of rogues out there who links to their armorys etc.
Overall you should be getting Engineering with either mining/herbalism/skinning as they all provide extensive static boosts. I suppose you're alliance, then gnome rogue for sure for the engineering bonus as 390 awards some severe bonuses.
I haven't been able to find any proper locks, but here's a quick help;
The World of Warcraft Armory - Apotekeren @ Twisting Nether - Profile
That's my shadowpriest and the gear is obtainable with most classes. He should probably get Staff of Shadowflame from Nefarian in BWL or combine the offhand from Twins in AQ40, along with Grand Marshals Spellblade (or whatever it's called)
The World of Warcraft Armory - Ironlak @ Twisting Nether - Profile is one of my mates' mage and has some similarities aswell.
I couldn't be bothered to grind myself exalted with ZG for the various enchants, I simply tossed on a Heavy Knothide Armor's on instead.
It might be all blurry for you with all these links and what not, but I hope it helped you just a tiny bit - have fun with it and don't lose patience in it!
Cheers mate