Del Mar - Initial thoughts?

[Riot]

This is from a handicapping bloggers website, so I can't verify accuracy (looking for stuff published by the track to compare):

Winning Margins on the Arlington Polytrack (May 4 - June 24)
½ length or less 77/267 = 29 percent
¾ to 2 lengths 92/267 = 34 percent
2 ¼ to 4 lengths 63/267 = 24 percent
4 ¼ or more lengths 35/267 = 13 percent

Winner's Odds on the Arlington Polytrack (May 4 - June 24)
Post-time favorites 68/267 = 25 percent
3-1 or less 118/267 = 44 percent
7-2 to 9-1 98/267 = 37 percent
10-1 and up 51/267 = 19 percent

Arlington's Average Exotic Wager Payoffs (May 4 - June 24)
$2 Daily Double -- $114
$2 Exacta -- $109
$1 Trifecta -- $409
$1 Superfecta -- $3,388
$1 Pick 3 -- $562
$1 Pick 4 -- $3,160

Arlington's 2006 average winning payoff in their main track races was $11.24, compared to $15.80 this year on Polytrack.

Arlington's Average Field Size Comparison
'07 Polytrack all -- 8.67 horses per race (through June 27)
'06 Main Track all -- 7.14
'07 Polytrack sprints -- 8.96
'06 Main track sprints - 7.31
'07 Polytrack routes -- 8.21
'06 Races Main track routes -- 6.84