Hey, I'm new here and haven't become very knowledgeable with the site yet, so forgive me if I've posted this in the incorrect place.

I've been wanting to get a new bike for months and really want to break into the world of fixed gear. I've been checking on my local craigslist constantly, but haven't found anything (I'm 5'2" with a 30" inseam). I've found the infamous bikesdirect.com and am between the Windsor Clockwork, Mercier Kilo TT, and just started looking at the Motobecane Messenger.
Could anyone give me some pros/cons of each, or just tell me which they prefer and why? I don't want to drop that amount of money without getting some advice.

I say go for the mercier kilo TT; it's specs are nicer and it's colorways/ models go the farthest out of the entire bikesdirect.com lineup....
Never owned one but ridden/ helped upgrade many of my friends; it has a very solid ride and the kilo tt is very versatile..... although there have been recent threads about tire clearance & the kilo TT.....

A surly steamroller, crosscheck, a bianchi san jose or that Kona fixed gear is versatile. A kilo is just another track bike with no fender mounts, no rack attachments, no tire clearance and geometry built for performance rather than comfort. There isn't a lot you can do with a kilo that would count as versatile

While a bianchi would be very nice, this is going to be a starter bike for me. Even the price of the kilo tt on bikesdirect is pushing it a bit, price-wise, for me.

Get the Kilo TT and put on a front brake. It's the best value for money.

What do you plan on doing with the bike? That would be the best place to start. Riding for fun, commuting, posing, tricks, getting some TP...

Not to sound completely out of it, but what is TP? Mostly I'll be using this bike for just riding for fun and small amounts of commuting.
I have quite a few friends who swear by fixed gear bikes and it has always been something that I've wanted to get into. I think, after I get used to riding fixed, I'd enjoy learning tricks, etc.

kilo has rack/fender mounts.

lulz

Also, I've been looking at a fixed chromoly road bike from Crosslake on ebay. Are they at all worth it comparatively?

You guys are a bad influence on me.

There's always easy work arounds.... and those bikes are almost double if not more than the kilo TT......