My thoughts would be to sound out a couple of trainers who you respect - I don't know that I would be going for the top of the tree but someone who has had recent success. Putting all your money into one horse is obviously the riskiest form of harness racing. Here is a list of all the trainers that have won at least 10 races in Vic this season (where there is more than one number after their name, that is there metro/country winning split). You have to decide whether you want a trotter or a pacer for, as you would know, some specialize in one over the other.
STEWART, EMMA J SMYTHES CREEK, SW OF BALLARAT 11 + 55, 66
CRAMP, SHAYNE J MILDURA 2 + 64, 66
BRAUN, DEAN F LARA, N OF GEELONG 13 + 46.5, 59.5
AIKEN, DAVID AVENEL, NE OF SEYMOUR 15 + 38, 53
DOUGLAS, GLENN F STRATHFIELDSAYE, BENDIGO 5 + 41, 46
MANNING, PETER G GREAT WESTERN 1 + 43.5, 44.5
KELLY, ADAM F COIMADAI, N OF BACCHUS MARSH 2 + 29, 31
JUSTICE, LANCE J MELTON 6 + 24, 30
WEBSTER, GEOFF F BANNOCKBURN, W OF GEELONG 7 + 22, 29
SUGARS, ROSS R HOPETOUN PARK, E OF BACCHUS MARSH 2 + 25, 27
GATH, ANDY P LONG FOREST, NW OF MELTON 8 + 14, 22
LANG, CHRIS W NAGAMBIE, N OF SEYMOUR ,6 + 12, 18
MANNING, KERRYN E GREAT WESTERN 1 + 17, 18
VAN RYN, DAVID B MAIDEN GULLY, W OF BENDIGO 17
DAVIES, JAYNE E CLYDE, E OF FRANKSTON 16
ALFORD, CHRIS A BOLINDA, N OF SUNBURY 1 + 14, 15
BOLITHO, TIM J ANAKIE 1 + 14, 15
THOMPSON, MARK A ROCHESTER, S OF ECHUCA 14.5
GRAHAM, ROSS A SUTTON GRANGE, S OF BENDIGO 14
HERBERTSON, ASHLEIGH A BURRUMBEET 1 + 13, 14
NEWBERRY, JOHN G BUNBARTHA, N OF SHEPPARTON 14
STANLEY, MICHAEL I REDAN, BALLARAT 3 + 11, 14
HUGHES, MICHAEL A LONGWARRY, W OF WARRAGUL 13
JACK, RUSSELL W LEMNOS, SHEPPARTON 13
POTTER, WAYNE R AVENEL, NE OF SEYMOUR 13
DEVCIC, BORIS I IRYMPLE, MILDURA 2 + 11, 13
EASTMAN, LARRY J SHELBOURNE, W OF BENDIGO 12
HUNTER, SUSAN M MELTON 3 + 9, 12
MANNING, MICHELLE L GREAT WESTERN 2 + 10, 12
MILES, DAVID M MONEGEETA, N OF SUNBURY 1 + 11, 12
MORGAN, BRUCE L JUNORTOUN, BENDIGO 12
CALDOW, MAREE A MELTON 2 + 9, 11
JUSTICE, JOHN D TOOLERN VALE, N OF MELTON 11
LEE, MARGARET A TERANG 4 + 7, 11
LEWIS, DAVID M HAMILTON 4 + 7, 11
LILLEY, BRENT A BOLINDA, N OF SUNBURY 1 + 10, 11
QUINLAN, JODI N PARWAN, SE OF BACCHUS MARSH 1 + 10, 11
DEMMLER, CRAIG T PARWAN, SE OF BACCHUS MARSH 10
MURPHY, DAVID A DUNNSTOWN, BALLARAT 10
TONKIN, PETER W SMYTHES CREEK, SW OF BALLARAT 10