Here I come to save this thread...
Ok, you're going pike/musky fishing.
Reguardless of what it is, you need a lower gear ratio reel with a good amount of torque for fishing the large lures with lots of resistance that you will use for pike/musky.
some rhetorical questions for you...
Are you fishing for just pike/musky or walleye and smallmouth too?
Do you want only one setup?
How much do you want to pay?
What length rod can you take up there with you?
Based on these questions, here's some food for thought. Typically baitcasting gear is preferred for this type of fishing. The retrieving torque is generally better on a 5:1 ish baitcaster and it's able to handle the 20+ lb test you will be using a little better. Obviously fishing with a reel with which you are comfortable will be the most enjoyable for you on your trip.
I would prefer baitcasting for this type of fishing, and I typically let the technique decide what to use as I am equally adept at either baitcasting or spinning gear. The main problem with spinning gear for pike/musky fishing is the rods, not so much the reel. A good, comfortable rod that will offer you a decent weight, good feel, and are well matched for the technique are hard to find. Most heavy action spinning rods are glass/composite and quite heavy and are not designed to be overly sensitive. So the rod is what limits spinning's effectiveness IMO.
You can find a decent graphite/composite rod perfect for musky fishing for around $70 if you go with baitcasting. Also, you can find better medium heavy to extra heavy rods that you WILL be using in shorter lengths with casting gear.
Casting lures you will be using will be among the lest troublesome to throw on baitcasting anyway.
Reel suggestions:
Again, how much do you wanna pay?
For a good bargain for an effective reel, the Abu Garcia Ambassadeur 5500/6500C3 is kind of the standard for pike/musky. Even if you wanna pay more (than $90) you'd be hard pressed to find a more effective reel before you fork out over 2 bills.
Money no object/most comfortable fishing. I'd go with a Curado 300 (D or E) if money was no object or you wanted to guarantee the most trouble free casting. Set 3 brakes on in a Y pattern and you're good to go. 2 brakes on is the standard once you're more comfortable. The Abu Garcia Revo Toro standard retrieve (5.4:1 ratio) is also a good choice if you'd prefer that.
Rods rated from 1/2 to 2 oz that are 6'6" to 7'6" are going to be your best bet. Look for Heavy to Extra Heavy bass gear, or specialized musky rods.
I'm not giving a spinning reel suggestion as I just don't have any good answers if you chose to go that route. I'll just say don't hesitate to go that route if you'll absolutely be better suited for casting.
Overall my suggestion would be to buy the Curado/Toro if you want a baitcaster but don't want to practice/money is no object. Go with the ambassadeur if you're on a budget (I'd think $90 vs. up to $250 is not really that significant vs. the total cost of the trip) and will be able to practice with it.
The Curado 300 or Ambassadeur 5500 and MH rods will be the most duel applicable to the smaller species (smallmouth/walleye) that may also be there to fish for.
Trust me, I'm a doctor.