FP Subforums v3

using System;
using System.Diagnostics;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static void Main()
    {
        int[] subforums = {
            6, 15, 16, 36, 38, 40, 46, 51, 56, 60, 62, 64, 65, 66, 75, 76, 107,
            110, 189, 198, 240, 243, 262, 277, 315, 316, 339, 353, 361, 383,
            384, 385, 389, 391, 393, 394, 396, 397, 401, 403, 408, 409, 411,
            412, 414, 415 };

        ServicePointManager.DefaultConnectionLimit = 100;
        var client = new HttpClient();
    var tasks = new Task<string>[subforums.Length];
        var time = new Stopwatch();

        time.Start();

        Parallel.For(0, subforums.Length, subforum =>
            tasks[subforum] = client.GetStringAsync(
                "http://www.facepunch.com/forumdisplay.php?f=" +
        subforums[subforum]));

        Task.WaitAll(tasks);

        time.Stop();

        Console.WriteLine("Request completed in {0} seconds.",
            ((float)time.ElapsedMilliseconds / 1000).ToString("F3"));
        Console.Write("Press any key to continue . . . ");
        Console.ReadKey();
    }
}