I think everybody in BTC "for the long run" is dreaming with that dip that will allow us to buy a lot of "cheap" bitcoins
But this is only daydreaming
I bought my first bitcoins at $10ish, and the feeling was exactly the same: wow, this is expensive, just a few months ago the price was $2
But I decided that a) I was in BTC for the long run and b) that I was going to invest fiat regularly, with every paycheck - beacuse I profoundly believe in BTC
Since then I have bought at $10, $14, $25, $33, $55, $70 and next week I will invest again a not-so-small amount, as soon as my funds get to Gox. The exchange rate may be $200 or higher, but I don't give a shit, even if I can't avoid thinking that just a couple of months ago I would have bought with $500 what now I will buy for $5.000
I bet you are thinking "wow, $10 were CHEAP coins"... But I can guarantee you that they felt as expensive as $200 coins. Just take a look to the posts in "speculations", and you will check that the feeling was the same.
But the truth is that we all know that the potential of BTC is way higher than $1.000 per coin. That's pure math.
My advices:
1) Invest only what you can afford to loose (this is crucial)
2) Get as many BTC as you can and forget about the exchange rate. BTC economy is now super-reactive: get those BTC and invest them wisely in BTC related ventures. The economy is in such growth that a lot of opportunities are awaiting around every corner.
Personally I just think about how to invest my BTC to make them produce more BTC. I'm starting a venture in which I will try to operate with BTC only, in the limits of possible (still majority of providers want fiat). But the truth is that I broke the loop, the exchange rate is not relevant for me anymore. Bitcoins give you freedom, and there's no price for freedom.
I'm a permabull, too but still for very short term you might want to look at the charts and indicators to safe yourself a lot of money when buying bitcoins (If weekly trade volume increase would fall behind the price increase dramatically, I would take that as an indicator to wait for the crash or even cash out a bit myself depending on the strength of the signal if I find no clear explanation why it was happening) but more importantly be careful with alt coins. litecoin being traded at $4 is just insane. Look at what bitcoin has gone through when bitcoin had reached that level. Sure, Bitcoin also paved the road for all other crypto currencies but you might want to mine such funny coins and sell them for bitcoin or sell stuff - not necessarily your own stuff - for bitcoin. Why not do the intermediary for a friend who sells online and generate some business for him via bitmit? Also why not be a market maker on localbitcoin and charge a fee instead of paying fees on your way through banks and MtGox? On localbitcoins you can be a market maker without anybody knowing your trade volume and without providing papers over papers and you provide peer to peer strength to the bitcoin economy for the day that MtGox goes down.